Đề luyện thi đại học môn Hóa học số 6

... K nguyên tử phát phôtôn có bước sóng 0 ,10 26 μm Lấy h = 6,625 .10 -3 4 J.s, e = 1, 6 .10 -1 9 C c = 3 .10 8 m/s Năng lượng phôtôn A .12 ,1 eV B .12 1 eV C .11 ,2 eV D .1, 21 eV Câu 39 Khi nói thuyết lượng tử ánh ... Lấy h = 6,625 .10 -3 4 J.s, c = 3 .10 8 m/s me = 9 ,1. 1 0- 31 kg Vận tốc ban đầu cực đại êlectron quang điện A 9, 61. 105m/s B .1, 34 .10 6 m/s C.2,29 .10 4 m/s...

Ngày tải lên: 05/09/2013, 13:52

... else to take you Câu 75 This quarrel is likely to lead to a fight A The result of this quarrel is likely to lead to a fight B This quarrel is likely to result in a fight C This quarrel is likely ... take an entrance exam this year A Perhaps we don’t have to take an entrance exam this year B We mustn’t take an entrance exam this year C We mightn’t take an entrance exam this year D It is very ....

Ngày tải lên: 26/07/2014, 01:21

... people think of a family as a mother, a father and their children But this is not the only kind of the family group In some parts of the world, a famil y group has man y other mem bers This kind ... years ago 66 Without this treatment, that patient would have died A If that patient didn't followed this treatment he would have died B If that patient hadn’t undergone this treatment he would ......

Ngày tải lên: 26/07/2014, 01:21

... was a theft 51 I’ve done next to nothing today a I’ve done close to nothing today b I’ve hardly done anything today c I have to nothing today d I’ve done nothing next today 52 Much as he loved ... done 53 He acts as if nothing matters to him a He acts when there’s no matter for him b He acts although nothing matters to him c He seems not to care about anything d Nothing matters to him when .....

Ngày tải lên: 26/07/2014, 01:21

... take 23 His boring speech made everybody fall asleep There’s…….new in it a everything b nothing c something d anything 24 I have written her letters, but she hasn’t answered…….them a any b some ... the last few years, this area has become heavily……… a industrialized b industrial c industrious d industry 14 Please come in Make……at home a.yourself b you c myself d me 15 This is the place………I .....

Ngày tải lên: 26/07/2014, 01:21

... connected to our daily lives When our whole ( 38) …is filled with something, when we are either very upset ( 39)…when we are in good spirit, a dream will represent this reality in symbols It is often ( ... connected to our daily lives When our whole ( 38) …is filled with something, when we are either very upset ( 39)…when we are in good spirit, a dream will represent this reality in symbols...

Ngày tải lên: 26/07/2014, 01:21

... elicit b donate c respond d preface I… this ship “ Titanic” May God bless all who sail in her a name b entitle c resister d christen This is a big decision to make Think it……before you give your final ... tiger is that this extinction will have been caused almost entirely by poachers who, according to some sources, are not always interested in material gain but in personal gratification This...

Ngày tải lên: 26/07/2014, 01:21

... known all your life or someome you have grown (30) with There are all sorts of things that can (31) about this special relationship It may be the result of enjoying the same activities and ... will be B has been C is D will have been Câu 20: Mr Gibbon usually drinks mineral water, but in this party he _ champagne A drinks B has drunk C is drinking D will drink Câu 21: He keeps working ... you...

Ngày tải lên: 26/07/2014, 01:21

... most important thing to us A.Employment is said it is the most important thing to us B.Employment is said to be the most important thing to us C.It is said to be the most important thing to us D.Employment ... C.harmfully D.harmlessly 49/ Women are used to…… their own money A.earn B.earned C.earns D.earning 50/ Nothing could … …him A.satisfy B.satisfaction C.satisfactory D.satisfactorily 51/...

Ngày tải lên: 26/07/2014, 01:21

... How long have you had this watch? a Since when did you buy this watch? b When did you buy this watch? c How long have you bought this watch? d Since when have you bought this watch? 73 It is said ... the office?” – About one hour, I think” a b c d 68 More than 600 million individual bacteria lives on the skin of humans a b c d 69 I’m very glad that you’ve done lots of progress this semeste...

Ngày tải lên: 26/07/2014, 01:21

... The thieves wore gloves so as to avoid leaving any fingerprints A The thieves wore gloves so as to not leave any fingerprints B The thieves wore gloves so that not leave any fingerprints C The thieves ... losing C) will have lost D) have lost 12) Is Army married? A) I don't think that B) I don't think so C) I think not D) I think 13) The wedding day was chosen by the parents of the groom A) ....

Ngày tải lên: 26/07/2014, 01:21

... nguyenlanhuong Page 7/14/2011 Exercises th 12 form De on luyen so 30 75 It 's a pity that you didn't tell us about this A I wish you have told us about this B I wish you had told us about this ... C drop D hot 35 A soon B look C book D good deal heal steal 36 A B C D stealth 37 A think B thick C thus D thin 38 A triangle B trial C distribute D tribe 39 A flew B threw C knew D grew 40 A ......

Ngày tải lên: 26/07/2014, 01:21

... because of fog People don't use this road very often a This road is not used very often b Not very often this road is not used c This road very often is not used d This road not very often is used ... to visit 14 _ to rain before you woke up this morning?  a Did it begin b Has it begun c Had it begun d Would it begin 15 My daughter saw an elephant this morning but she _ one before  a had .....

Ngày tải lên: 26/07/2014, 01:21

... stomach”, is to note that interviewers want to hire people who have something to (8) _ the company If interviewers think you 52 will (9) _ into their organization, you will be the one who ... whenever I look forward my sweetheart again next year a see b to see c to seeing d seeing This is used metal a to cut b to cutting c cut d cutting Now I had two a conflicting ... room and said a word d A...

Ngày tải lên: 26/07/2014, 01:21

... 49.Nobody knows anything about Brenda’s family a Nothing is known about Brenda’s family b Nothing isn’t known about Brenda’s family c Nothing is known nobody about Brenda’s family d Nothing is known ... something quickly Fossil fuels (coal, oil, and gas) are rapidly running out The tragedy is that fossil fuels are far too valuable to waste on the production of electricity Just think of all th...

Ngày tải lên: 26/07/2014, 01:21