... His doctor advised him -, but he found it impossible his habit A stopped smoking/quit B to stop to smoke/quitting C stopping smoking/for quitting D to stop smoking/ to quit B i 11 It takes ... speaking /to say B i 22 Sorry I forgot … this floppy disk to him A give B to give C giving D gives B i 23 I hate … Ato keep waiting B to be kept waiting C being kept waiting D B&C are correct B i 24 Everyone ... needed … Ato hear /to clean B to hear/cleaning C hearing /cleaning D hearing /to clean B i 14 Would you like … me some tea? A make B making C made D to make B i 15 They reminded me … late Ato not...
... like … tennis with me? (play) A playing B to playing C to play D play B i 20 They promised me to the airport today (take) A taking B to taking C take D to take B i 21 It was a difficult exam, ... Jennifer managed it (pass) A passing B to passing C to pass D pass B i 22 The snow prevented the train from on time (arrive) A arriving B to arriving C to arrive D arrive B i 23 Since coming ... B I C to drive D sidewalk B i 49 I asked my classmate to let me to use his shoes A my B to C to use D his shoes B i 50 I am looking forward to go to swim in the ocean A am looking B go C swim...
... They admitted falsifying the data admit The author advises undertaking further study advise He anticipates having trouble with his supervisor anticipate I appreciated having a chance to read your ... care not to confuse the preposition "to" with an infinitive form, or with an auxiliary form such as have to, used to, going to He went back to writing his paper [PREPOSITION + GERUND] I used to ... entail He will look after mailing the tickets look after He insisted on proofreading the article again insist on This procedure involves testing each sample twice involve My results justify taking...
... grandmother (She had memories of this time.) I stopped to call you (I interrupted another action in order to call you.) stop I stopped calling you (I stopped this activity Maybe we had a fight.) ... ………………… to work tomorrow IthinkI' m going to call in sick (go) 36 I would like ……… back in time and meet my great grandparents (travel) 37 It's so hot in here! I' d like ……… sitting in my swimming ... until they disappeared into the forest (watch) KEY to lock lending to phone / to call to give leaving / putting saying to say to become working 10 Reading 11 to keep 12 knocking 13 to put 14 asking...
... resisted (48 be)………… arrested and were injured KEY reading to talk 11 to buy 16 to 21 getting 26 speaking 30 to cooperate 35 going 40 dancing 45 to escape seeing living 12 to 17 making 22 read ... say However, I went toa party last week, which didn't help at all At first, I enjoyed (40 dance)……… and (41 drink)……… with my friends, but all of a sudden, a couple of masked guys appeared and ... 27 stealing 31 to put 36 to spend 41 drinking 46 jumping working coming 13 smoking 18 to be 23 driving 28 locking 32 saying 37 building 42 to give 47 to escape Moon.vn to speak to study 14 to fly...
... rather/ ‘d better) there are a lot of mistakes in this exercises I …… go over it again with you (will have to/ am able to/ would/ could) 10 he was a good swimmer, so he ……… Swim to the river bank when ... rather have gone to the park than stay home I used to visit my grandparents every weekend Shall I open the door? I shall arrive at nine (will is more common) Exercises 1.He …….leave early, didn’t ... would rather) 13 You ……… fly to London this evening provided you don’t mind changing planes in Paris.(must/ have to/ can/ ought to) 14 I ……… to take advantage of this opportunity to thank for...
... Hay A chéo hoá đợc a1 1 a1 2 a1 n 23 Ta có: AI = a 22 a 21 a n a nn a n1 a1 1 a 21 a n1 a 22 a1 2 a2 n an2 = A T I a1 n a n a nn 24 Ta có phơng trình đặc trng: a1 1 AI = a ... xi (i= 1, n ) bậc n 1, do: xif(xi)=an +a1 xi+ +an-1 xin Ta có: a '1 aa n a n a '1 a n x1 x x n n n a a3 a' 1 x1n x x n Vậy a '1 aa n AI = =f(x1) f(xn) a n a '1 a n =f(x1) f(xn)=0 a a3 ... + i sin Đặt , k = cos y k n n (k=0,1, ,n-1) b Đặt a1 = a' 1 a1 AI = Xét an a2 aa n a1 a n a3 a1 Pn ( x) = a '1 + a x + + a n x a '1 aa n = an a '1 a n a2 a3 a '1 n Gọi...
... từ 'start', bạn n i 'start to do' 'start doing', chẳng hạn: "Last year I started learning Chinese" hay "Last year I started to learn Chinese." Cả hai câu có ngh a Năm ngo i bắt đầu học tiếng Trung ... Quốc V i câu h i bạn Ana Isabel trường hợp động từ 'stop' Động từ 'Stop' theo sau to + infinitive hay danh động từ - the gerund - v i động từ v i cấu trúc mang ngh a khác Chúng ta có hai ví dụ: ... thể 'to play', mà n i 'playing' Và dạng danh động từ, "the gerund form of a verb", playing, starting V i cấu trúc câu: Verb + to + infinitive, 'I want to play' - cấu trúc thông dụng tiếng Anh...
... hợp ngược l i "I hope that he has his passport with him." - đ i thành: "I hope that he will have his passport with him." câu đầu có ngh a lẫn tương lai, câu thứ hai có ngh a tương lai Vì hope + ... 'hope' khác biệt tương lai rõ ràng dùng cấu trúc Nếu ngư i n i: "I hope that you're thinking of me" ngư i n i rõ ràng mong ngư i nghĩ t i họ lúc này, "I hope that you'll be thinking of me" rõ ... n i t i th ii m tương lai Tóm l i, có lẽ tốt nên dùng hope + present, cấu trúc linh hoạt dùng hope + will bạn muốn n i rõ ý bạn n i tương lai I hope that you and your friends have enjoyed all...
... cIII IIIO II cLta d u \ dan xiuil p\riclin " S tu d y lilt' correlation between eletrunic structure a n d inhibitor efficiency o f pxriiiine derivatives " CYki t.u I '11 | nan 'I > 11 P h m V a ... pounds with aminogr oup ( - N H 2) have anli-corrosion inhibitor possibility higher lhan llial OÍ' the com pou nds with another substitulc-groups - Anti-corrosion possibility of inhibitor depends ... the relation between clcclron structure and corrosion (inhibited) inhibition possibility on the basis of semiquan tum calculation method combined with multiple regression, allows US to prctlicl,...
... (2010), “Tracking Molecular Isomerization Process with High Harmonic Generation by Ultrashort Laser Pulses”, ASILS-5 Proceeding “Advances in Intense Laser Science, Photonics & Applications", edited ... quang học DAMOP (39th Annual Meeting of the APS Division of Atomic, Molecular, and Optical Physics) Pennsylvania – Mỹ 05/2008 ; H i nghị khoa học laser cường độ mạnh ASILS-5 (5th Asian Symposium ... Jongmin Lee et al, Science & Tech Pub., pp 135-142 Nguyen Ngoc-Ty, Tang Bich-Van, and Le Van-Hoang (2010), “Tracking Molecular Isomerization Process with High Harmonic Generation by Ultrashort Laser...
... Anh Thu, Rui-Hua Xie and Lin C.D (2007), “Theoretical analysis of dynamic chemical imaging with lasers using high-order harmonic generation”, Phys Rev A 76, pp 013414-13 73 Le Van Hoang, N guyen ... “Tomographic imaging of molecular orbitals”, Nature 432, pp 867-871 54 Kamta G L and Bandrauk A D (2005), “Three-dimensional time-profile analysis of high-order harmonic generation in molecules: N uclear ... Le Van-Hoang (2010), “Retrieval of inter-atomic separations of complex molecules by ultra-short laser pulses”, ASILS-5 Proceeding “Advances in Intense Laser Science, Photonics & Applications",...
... quang học DAMOP (39th Annual Meeting of the APS Division of Atomic, Molecular, and Optical Physics) Pennsylvania – Mỹ 05/2008 ; H i nghị khoa học laser cường độ mạnh ASILS-5 (5th Asian Symposium ... đơn giản: ii n tử xuyên hầm từ trạng th i miền lượng liên tục; 30 ii i n tử gia tốc trường i n laser; iii Do tính tuần hoàn laser, n a chu kì sau i n tử bị kéo ngược l i, kết hợp l i v i ion ... số laser không th a mãn giả thiết đ a gần MO – ADK Theo đó, túy trình ion h a xuyên hầm, trình ion h aa photon đóng góp vai trò quan trọng Hơn n a, hiệu ứng giao thoa ch a đề cập gần MO – ADK...
... Construction of Minimum- Redundancy Codes” Sau Huffman trở thành giảng viên MIT sau khoa Khoa học máy tính Đ i học California, Santa Cruz, Trường Ký nghệ Baskin - Mã Huffman mã tiền tố Sau kh i niệm ... Cây T biểu diễn mã tiền tố t i ưu n ký tự cho *Gi i thuật: - Trong gi i thuật tham lam gi ito n xây dựng mã tiền tố t i ưu Huffman, bước ta chọn hai chữ có tần số thấp để mã h a từ mã d i Giả sử ... Nghiên cứu phân tích gi i thuật Trong gi ito n có số gi i thuật khác nên cần ph i đánh giá gi i thuật để l a chọn gi i thuật tốt Thông thường ta vào tiêu chuẩn sau: - Gi i thuật đắn - Gi i thuật...