Unit 5 ta8 ilsw bài tập làm thêm

Unit 5 ta8 ilsw bài tập làm thêm Unit 5 ta8 ilsw bài tập làm thêm Unit 5 ta8 ilsw bài tập làm thêm Unit 5 ta8 ilsw bài tập làm thêm Unit 5 ta8 ilsw bài tập làm thêm Unit 5 ta8 ilsw bài tập làm thêm Unit 5 ta8 ilsw bài tập làm thêm Unit 5 ta8 ilsw bài tập làm thêm Unit 5 ta8 ilsw bài tập làm thêm Unit 5 ta8 ilsw bài tập làm thêm Unit 5 ta8 ilsw bài tập làm thêm

TIẾNG ANH I-LEARN SMART WORLD UNIT 5: SCIENCE AND TECHNOLOGY VOCABULARY Lesson 1 bright (adj) tươi sáng - brightly (adv) cách sáng sủa Eg: brightly coloured flowers - brightness (n) tươi sáng - brighten /ˈbraɪtən/ (v) up: làm bừng sáng lên Eg: A picture or two would brighten up the room chip /tʃɪp/ (n) chíp điện tử gigabyte (GB) /ˈɡɪɡəbaɪt/ (n) GB (đơn vị đo liệu nhớ máy tính) inch /ɪntʃ/ (n) inch (đơn vị đo độ dài, 2.54cm) performance /pəˈfɔːməns/ (n) hiệu năng, suất/ thể - perform /pəˈfɔːm/ (v) thực Eg: Some schools perform a play at Christmas - performer /pəˈfɔːmər/ (n) người trình diễn, người thể Eg: He's a brilliant performer powerful /ˈpaʊəfl/ (adj) mạnh, có sức mạnh - power /paʊər/ (n) lượng, quyền lực Eg: He likes to have power over people screen /skriːn/ (n) hình storage /ˈstɔːrɪdʒ/ (n) nhớ, lưu trữ - store /stɔːr/ (n) cửa hàng Eg: She works at a men's clothing store - store /stɔːr/ (v) chưa đựng Eg: You need to know to store your vegetables for maximum freshness tablet /ˈtỉblət/ (n) máy tính bảng 10 weight /weɪt/ (n) trọng lượng, cân nặng - weigh /weɪ/ (v) cân Eg: How much you weigh? Lesson 11 carefully /ˈkeəfəli/ (adv) cách cẩn thận ≠ carelessly (adv) - careful (adj) ≠ careless (adj) - care /keər/ (v) quan tâm đến Eg: I'm going to it and I don't care what he thinks - care /keər/ (n) quan tâm - take care of: quan tâm đến Eg: My parents are going to take care of the house while we're away 12 charge /tʃɑːdʒ/ (n) sạc pin - in charge of: chịu trách nhiệm Eg: Who's in charge of organizing the music for the party? 13 complete /kəmˈpliːt/ (v) hoàn thành - completion /kəmˈpliːʃən/ (n) hoàn thành Eg: They will be paid on completion of the job 14 lift /lɪft/ (v) nâng lên 15 navigate /ˈnævɪɡeɪt/ (v) điều hướng, vận hành navigation /ˌnæv.ɪˈɡeɪ.ʃən/ (n): điều hướng, vận hành 16 quietly /ˈkwaɪətli/ (adv) cách yên lặng - quiet /kwaɪət/ (a) yên lặng Eg: Be quiet ! I'm trying to concentrate on the lesson - quietness /ˈkwaɪət.nəs/ (n) tĩnh lặng 17 recognize /ˈrekəɡnaɪz/ (v) nhận 18 rescue /ˈreskjuː/ (v) giải cứu 19 safely /ˈseɪfli/ (adv) cách an toàn - safe /seɪf/ (a) an toàn - safe and sound (phrase) an toàn bình an vơ Eg: After three days lost in the mountains, they arrived home safe and sound -safety /ˈseɪf.ti/ (n) an toàn Eg: For your safety, we recommend you keep your seat belt fastened during the flight Lesson 20 speaker /ˈspiːkə(r)/ (n) loa - speaker /ˈspiːkə(r)/ (n) người phát ngôn Eg: She is a confident public speaker 21 feature /ˈfiːtʃə(r)/ (n) nét đặc trưng BÀI TẬP ÁP DỤNG EXERCISE Complete the sentences using the given words brighten performance in charge of complete powerful lift storage quietly weight recognized carefully safely speaker features Our latest model of phone has several new There was a slight decrease in his after a week of dieting Eventually, the pilot managed to land the plane We bought a new for our stereo system If you listen to this piece of music, you can hear a flute in the background Fire broke out in a basement area The president is more than the prime minister This table is too heavy Could you help me it , please? He is a spoken, thoughtful man 10 I hadn't seen her for 20 years, but I her immediately 11 The teacher put me organizing the project 12 He was an experienced player who was always seeking to improve his 13 Betty painted the room white to it up 14 the sentence with one of the adjectives provided EXERCISE Complete the following sentences with the correct forms of the words in capitals According to the forecast, it should up later BRIGHT After so many years she was still instantly REGCONIZE 3.I love the of the countryside in Daklak province QUIET By the age of 15, Allan had become an experienced circus PERFORM The causes of the phenomenon are still understood No one really knows about it COMPLETE She argued for the benefits of her school POWER The fire was started by a discarded cigarette CARE The average male tiger around 200 kg WEIGHT They had trouble keeping rats out of the food STORAGE 10 Some people were badly injured and needed medical CAREFUL 11 How you your way through a forest? NAVIGATION 12 believe there is ice a few inches below the surface of Mars 13 He is a keynote at the conference 14 A is an expert in technology SCIENCE SPEAK TECHNOLOGY 15 It doesn’t cost a lot of money It is a relatively hotel EXPENSIVE EXERCISE Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions This is a It costs 400 dollars A tablet B house C Apple watch D tablet vover C.battery D screen C making D makes Which devices has longer _ life? A storage B gigabyte Do they help your life easier? A to make B make More _ means you can download more music and movies A excursion B expedition C guide D storage B a good screen C expensive D survival B size C last D space I will buy Portal because it is A cheaper What is screen ? A chip is this laptop? – 500 dollars A How much B How many C How far D How long However, for this week only, the Portal is _ sale for just 480 dollars A by B on C off D with C How long D How far does the batter last? A How often B How 10 What you want to use it ? - I use it for studying A to B with C up D for 11 We send robots to search for people after the earthquake A complete B cruise C travel D rescue 12 I usually cook so that I don’t cut my fingers A careful B careless C carefully D carelessly 13 It has a lot of , so it can store lots of music and photos A storage B.preserve C.size D price C flooded D covered 14 Nha Trang city is always with tourists A full B crowded 15 He helped me _ which smart phone I want for my birthday A recommend B require C choose D.classify EXERCISE Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s)in each of the following questions My daughter, Khanh Chi, is an attentive student A successful B careful C tasteful D wonderful C delete D precious Happily, the operation was a complete success A full B final The US remains the most powerful nation in the world A initial B dominant C unique D perfect C impress D elevate C.peaceful D.empty They lift their arms above their head A.pull B push The streets were silent and deserted A noisy B quiet EXERCISE Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions It's one of the most dangerous places in the world A safe B lucky C noisy D attentive Tourists can and see a lot in Ha Long Bay at a reasonable price A inexpensive B ỉneasonable C cheap D unreasonable Please pay close attention to what I am saying A speak softly B listen carelessly C perform excellently D argue powerfully Our new robot can pick up an egg without breaking it A follow B.gather C drop D hold Tsunami moves more slowly than Twitchy A more gently B more gradually C faster D more leisurely EXERCISE Mark the letter A, B, C, or D to indicate the correct response to each of the following exchanges Two friends Nic and Mat are talking about a sports match Nic: “G'day mate Did you catch the game last night?” Matt: “ ” A I heard you taekwondo B Yes, you're getting a bit closer C You must be right after all D No, who played? Charlott is feeling umwell and has to see the doctor, Ben Ben: “Do you have a temperature?” Charlotte: “ ” A Yes I think so It's been a bit high B I have a sore back C What seems to be the problem? D I need a prescription, please Receptionist: "Good morning." - Chris: "Good morning I've come to Mrs Dabria." A see B visit C business with Hana and Jennifer are talking about the book they have read Hana: ‘The book is really interesting and educational.’ D hold a talk with Jennifer: “ ” A I'd love to B Don't mention it C It's nice of you to say so D I can't agree more “Excuse me Where's the parking lot?” – “ ” A You missed the turn It's back that way B Do you get lost? I too C You are going the wrong way It's not here D Why you ask me? I don't know Arm and Mary are studying in their classroom Ann: "Can I borrow your dictionary?" – Mary: “ ” A I'm afraid I can't B Here you are! C I think so D It doesn't matter Tom: "Can you make it at p.m on Friday for our meeting?" - Tony: “ ” A OK, that's fine B That's not true I met him three days ago C Very well, thanks D You have a point there, but I don't think so Chau and Phuong bumped into each other after their graduation three years ago Chau: "Hi! Phuong How have you been?” - Phuong“ ” A I've been to Beijing recently B Badly And how are you? C Oh, I've done a lot of things D Oh, pretty good And you? Jenny: "Wow! What a nice coat you are wearing!" - Peter: “ ” A Thanks My mother bought it for me B Certainly Do you like it, too? C I like you to say that D Yes, of course It's expensive 10 Mrs Smith and her students are visiting the zoo Mike "Can I feed the gorilla, Mrs Smith?" – Mrs Smith “ The sign says 'No feeding the animals'.” A Of course you can B I don't think it works C I'm sure about that D I'm afraid not GRAMMAR CÂU HỎI LẤY THÔNG TIN WH_QUESTIONS VÀ CÂU HỎI YES_NO PHẦN I CÂU HỎI LẤY THƠNG TIN WH_QUESTIONS Câu hỏi với từ để hỏi có chữ “Wh-” đứng đầu: - Bao gồm: Who, Which, What, Whose, Why, Where, When, How… để thu thập thông tin Câu hỏi dạng gọi hay gọi câu hỏi mở, thường bắt đầu từ để hỏi - Câu hỏi có từ để hỏi (Wh-questions) - Câu trả lời: cần cung cấp thông tin nêu câu hỏi Eg: What did he talk about?- He talked about Pham Van Dong High School What was the party like?- Oh, we had a good time Which one you like?- The red one How often you go to the cinema?- Every Sunday Why did he fail the exam?- Because he didn’t prepare well for it What: Hỏi thơng tin (gì, gì) What is your name? Yêu cầu nhắc lại (gì cơ) What? I can’t hear you What…for Hỏi lý (tại sao, để làm gì) What did you that for? When: nào, bao giờ/What time: When were you born? What time did you leave home yesterday? Where Hỏi nơi chốn (ở đâu) Where you live? Which Hỏi lựa chọn (cái nào, người nào) Which color you like? Who Hỏi người (làm chủ ngữ) Who opened the door? Whom Hỏi người, (làm tân ngữ) Whom did you see yesterday? Whose Hỏi sở hữu (của ai, gì) Whose is this car? Why Hỏi lý (tại sao) Why you say that? Why don’t Đề nghị (tại không) Why don’t we go out tonight? How Hỏi cách thức (như nào) How does this work? How far Hỏi khoảng cách (bao xa) How far is Quy Nhon from Nha Trang? How long Hỏi độ dài thời gian (bao lâu) How long will it take to fix my car? How many Hỏi số lượng + N đếm (bao nhiêu) How many cars are there? How much Hỏi số lượng + N không đếm (bao nhiêu) How much money you have? How old Hỏi tuổi (bao nhiêu tuổi) How old are you? BÀI TẬP ÁP DỤNG EXERCISE Rewrite the following sentences in such a way that the meaning is unchanged beginning with the words given How high is that bulding? What What’s his age ? How What is the depth of this lake? How How long is your ruler ? What How heavy is his brother? What EXERCISE Match the questions in Column A and answers in Column B A B Where are you living? a Yes, I Do you remember meeting him? b It is very cold What’s his height? c My brother does How long will you stay with us? d In Sơn La How much they weigh now? e 172cm How far is it from here to your office? f Yes, he does How does your father often go to work? g 56 kilos What is the weather like there now? h By bus Does Khanh Chi run fast? i For three weeks 10 Who usually helps you the exercises? j It’s about miles EXERCISE Complete the questions with the correct question words from the list below How much How far Which Whose Where How Why Who Whom How many What How often When are you going to this weekend? - I will just stay at home and cook some dishes you go to the gym? - Twice a week are you so sad? - Because I’ve lost some money does this dress cost? - £50 you get there? - By train tall is your house? - 12 metres are you going to meet tonight? - My online friend shirt you want, the blue or the black one? - The blue one bike is in front of my house? - Mr Smith’s, I think 10 flour you need to make your cake? - 600 grams is enough 11 times have you visited Ha Noi? -3 times 12 does your new teacher look like? - He’s tall 13 is it from your house to the nearest bus stop? - 500 metres 14 did you buy these tomatoes? - In the market 15 have finished all the homework? - Laura and Jane PHẦN II CÂU HỎI YES_NO Câu hỏi Có-Khơng (Yes-No question) Câu hỏi: bắt đầu trợ động từ: am, is, are, was, were, do, does, did, will, would, have, may might, can, could Câu trả lời: bắt đầu “Yes” “No” đưa thêm thơng tin Ví dụ: - I think/ believe/ hope/ expect/ guess so (Tôi nghĩ/ tin/ hy vọng/ mong/ đoán thế.) - Sure/ Actually/ Of course/ Right (Dĩ nhiên/ Chắc chắn rồi.) - I don’t think/ believe/ expect/ guess so (Tôi không nghĩ/ tin/ mong/ cho thế.) - I hope/ believe/ guess/ suppose not (Tơi hy vọng/ tin/ đốn/ cho khơng.) - I’m afraid not (Tôi e không.) Câu hỏi yes/no với động từ tobe Is/Are/Am + S + Adj/N? Yes, S + is/are/am No, S + isn’t/aren’t/am not Lưu ý: Is/isn’t với chủ ngữ (subject) he, she, it danh từ số Are/aren’t với chủ ngữ (subject) we, you, they danh từ số nhiều Am với chủ ngữ (subject) I Eg: Is the woman beautiful? (Người phụ nữ có xinh đẹp khơng?) → Yes, the woman is/No, the woman isn’t (Có, người phụ nữ đẹp/Khơng, người phụ nữ khơng đẹp) Are you a teacher? (Bạn có phải giáo viên không?) → Yes, I am/No, I’m not (Đúng, giáo viên/Không, giáo viên) Câu hỏi yes/no với trợ động từ Do/Does + S + V1? Yes, S + do/does No, S + don’t/doesn’t Lưu ý: Do/does don’t/doesn’t trợ động từ dùng đơn (diễn tả hành động xảy tại) Do/don’t với chủ ngữ (subject) I, we, you, they danh từ số nhiều Does/doesn’t với chủ ngữ (subject) he, she, it danh từ số Eg: Do you like football? → Yes, I am/No, I’m not Does she go to school by bus? → Yes, she does/No, she doesn’t 3 Câu hỏi yes/no với is there/are there 3.1 Cấu trúc yes/no với is there Is there + N số ít/N không đếm được? Yes, there is No, there isn’t Eg: Is there any tea in the cup? → Yes, there is/No, there isn’t Is there a bike in front of my house? → Yes, there is/No, there isn’t Are there + N số nhiều? Yes, there are No, there aren’t Eg: Are there many students in the school? → Yes, there are/No, there aren’t Are there many flowers in the garden? → Yes, there are/No, there aren’t Lưu ý: Câu hỏi chọn lựa (Or questions) Câu hỏi: thường chứa từ “or” yêu cầu phải lựa chọn phương án Câu trả lời: câu chọn hai lựa chọn đưa câu hỏi, không dùng từ “Yes” “No” để trả lời câu hỏi Eg: Are they Chinese or Japanese? – They’re Japanese Would you like pork or beef? - Beef, please/ I’d prefer beef BÀI TẬP ÁP DỤNG EXERCISE Fill in each gap with a suitable word your mother a nurse? – Yes, she you have a cat? – No, I those trees beautiful? – Yes, your sister like hamburgers? – No, Linh’s sisters at school? – Yes, Jack live with his mother? – No, he her house next to a post office? – Yes, Andrew and Martin ride their bikes to the office? – Yes, _ your friends short? – No, they 10 children in the park? – No, PHẦN III COMPARATIVE ADVERBS (SO SÁNH HƠN VỚI TRẠNG TỪ): So sánh trạng từ, giống trường hợp so sánh tính từ, mơ tả khác biệt tương đồng hai thứ Trong tính từ thể so sánh mô tả giống – khác danh từ (người, địa điểm, vật dụng), trạng từ thể so sánh mô tả giống – khác động từ - tức mô tả cách thức, thời điểm, tần suất hay mức độ hành động thực Eg: “John is faster than Tim.” (comparative adjective - so sánh tính từ) “John runs faster than Tim.” (comparative adverb - so sánh trạng từ) “John is more careful than Tim in his work.” (comparative adjective - so sánh tính từ) “Joh n works more carefully than Tim.” (comparative adverb - so sánh trạng từ) He runs faster than she does He drives more carelessly than I Như vậy, khác biệt so sánh tính từ trạng từ tính từ dùng để so sánh danh từ người, vật, tượng Còn trạng từ sử dụng để so sánh động từ hành động, trạng thái người vật Cấu trúc dạng so sánh với trạng từ ngắn Đối với trạng từ ngắn có âm tiết, ta thêm “-er” chuyển thành dạng so sánh Đối với trạng từ có tận “-e” ta cần thêm “-r” Công thức: S + (not) V + adv + er + than + noun/pronoun/clause Eg: late => later, soon - sooner, fast => faster, Joe ran fast, but Mary came first because she ran faster Bảng biến đổi dạng so sánh với trạng từ ngắn Trạng từ So sánh trạng từ fast faster hard harder high higher late later long longer low lower wide wider Dạng so sánh với trạng từ dài Đối với trạng từ có âm tiết trở lên hay cịn gọi trạng từ dài (thường có “-ly”), chuyển thành dạng so sánh, ta cần thêm “more” thay cho “much/ many” “less” cho “little/ few” Với trạng từ đuôi "ly", ta thêm more vào trước trạng từ thực so sánh Khi so sánh kém, ta thay more less Công thức: S + (not) V + more/less + adv + than + noun/pronoun/clause Eg: slowly => more slowly, happy => more happily, sadly => less sadly, dirtily => less dirtily Bảng biến đổi dạng so sánh với trạng từ dài Trạng từ So sánh trạng từ carefully more/ less carefully efficiently more/ less efficiently happily more/ less happily horribly more/ less horribly often more/ less often quickly more/ less quickly recently more/ less recently slowly more/ less slowly sadly more/ less sadly strangely more/ less strangely Dạng so sánh trạng từ bất quy tắc Một số trạng từ chuyển thành dạng so sánh không thêm “-er” mà biến đổi hoàn toàn Trạng từ So sánh trạng từ badly worse early earlier far further/ farther little less much more well better Một số trạng từ khơng có dạng so sánh gồm: again, first, daily, yesterday, here, there, now, then, never, sometimes PHẦN III COMPARATIVE ADVERBS (SO SÁNH HƠN VỚI TRẠNG TỪ): EXERCISE Fill in the blank with the correct comparative form of the adverb (in parentheses) Example: He is singing more loudly than the other singers (loudly) He arrived _ than expected (early) We walked _ than the rest of the people (slowly) They called us _ in the afternoon (late) My mother and my sister talked _ than the other guests (loudly) He hit his arm _ than before (hard) The Spanish athlete ran _ than the other runners (fast) Jim threw the ball _ than Peter (far) We answered all the questions _ than the other students (well) Our new teacher explains the exercises _ than our old teacher (badly) 10 The new mechanic checked the car _ than the old mechanic (thoroughly) EXERCISE Complete the following sentences with the word in brackets You need to push (hard) Devon speaks (well) English in the class The (fast) car wins David is very generous, but at times he spends his money (careless) than he should Mario likes to have fun He does his work (serious) than Chris Johnny speaks (bad) English than Devon Meghan has changed the (radical) since high school I didn't even recognize her! He finished the test (quick) than the rest of the class EXERCISE Fill in the blank with the correct comparative form of the adverb (in parentheses) I speak English (fluent) now than last year She smiled (happy) than before Could you write (clear) ? Planes can fly (high) than birds He had an accident last year Now, he drives (careful) than before Jim can run (fast) than John He worked (hard) than ever before EXERCISE Comparative Adverbs Example: I think he’s a careless driver => He drives very carelessly I think she’s a careful worker She very I think he’s a slow chess player He chess very I think she’s a graceful dancer She very I think they are good actors They are _very I think he’s a careless skier He very I think she’s a fast runner She _ very I think she’s a beautiful singer She _ very I think they are bad painters They very I think shes's a hard worker She _ _very 10 I think she is an accurate translator She _ very EXERCISE Comparative Adverbs Example: Am I working fast enough? => Actually, you should work faster Am I painting carefully enough? Actually you should paint _ Am I typing quickly enough? Actually, you should type _ Am I dancing gracefully enough? Actually, you should dance _ Am I speaking loud enough? Actually, you should speak _ Am I driving slowly enough? Actually, you should drive _ Am I translating accurately enough? Actually, you should translate _ Am I playing well enough? Actually, you should play _ EXERCISE Opposite Comparative Adverbs Examples: Bob speaks very quickly => He should try to speak more slowly Timothy types very slowly He should try to type _ Howard speaks very softly He should try to speak _ Linda goes to bed very late She should try to go to bed _ They dress very sloppily They should try to dress _ Richard speaks to his parents very impolitely He should try to speak to his parents _ EXERCISE Choose the best option 1.The teacher asked me to speak _ A loud B louder C more loud Today you looks than usual A more confident B more confidently C confidently Your house is _decorated than me A more beautiful B more beautifully C beautifully No one in my class runs than Peter A more fastly B.more better C.faster This time you did much ! A better B.more better C.more well You have to work _If you want to succeed A more hardly B hardlier C.harder Today I come to class _than usual A.more early B.earlier C early You need to work _, or you will make a lot of mistakes A more careful B more carefully C carefully She walks than other people A more slower B slowlier C.more slowly 10 The blue skirt suits you _than the black one A better B more better C.more well PHẦN II READING COMPREHENSION EXERCISE Read then decide whether the following sentences are True (T) or False (F) Technology has attracted the attention of many people in the world especially the young generation and this has affected their lifestyle They use electronic devices such as phones, laptops, iPods, tablets, computers and many others Electronic devices are so addictive that people would rather use them for enjoyment than their necessity Due to this addictiveness, it has resulted in negative effects on people’s life and their mental health Technology has both negative and positive impacts on people’s lives; it just depends on how the person uses the electronic gadget Technology has made it easier to access information which is very helpful for businesses or even a student But not all technology was made for positive purposes as due to technology, there was a development of weapons which is a threat to the society We can say that addiction refers to a situation when you like a particular thing so much that you lose control over your mind, and this is what is happening to today’s world especially the young generation They became so addicted to the technology gadgets that all they think about is that it has control over their mind They spend most of their time on electronic devices that they don’t even realise Adapted from: https://www.eslprintables.com/ by Bui Van Vinh Technology has captured the attention of people of all ages in the world 2 Electronic devices are not so addictive Technology has negative effects on people’s life and their mental health People find it easier to access information thanks to technology The young generation spend little time on electronic devices EXERCISE Read the passage then answer the questions Students today are already comfortable with online platforms and online learning This is why these classes are becoming more widely used They can be accessed anytime and anywhere as long as there’s an Internet connection and a gadget to use Online learning makes it easier for students to access courses they can benefit from However, students also have to deal with disadvantages that can affect the quality of these classes First, online learning has more distractions Students who take online courses are more prone to distractions and procrastination in the same landscape This is because these courses don’t have a physical classroom that can help them focus on their studies Moreover, other students cannot afford Internet access 24/7, which means that online classes are not always convenient for students Second, online classes are easily disrupted Lack of a stable Internet connection and good gadgets can disrupt online classes Without these two things, students cannot access their courses, which can affect their grades and performance Unlike traditional courses, these classes are dependent on factors like the student’s and the teacher’s Internet connections, the gadgets being used, and the environment where the classes are held With so many factors affecting the classes' quality, many students would say that traditional learning is better than online learning In conclusion, online learning has been around for a while now With online education growing, its advantages and disadvantages are worth considering Online courses offer many benefits, such as reduced costs and increased flexibility But there are also some disadvantages to online learning that need to be considered if you want to try them Adapted from: https://www.elearningindustry.com/ by Bui Van Vinh Are students today comfortable with online platforms and online learning?