Tuyển Cộng tác viên Hoc24 nhiệm kì 28 tại đây: https://forms.gle/GrfwFgzveoKLVv3p6
một phân tử khí X có 3 nguyễn tử và có PTK nặng băng nguyễn tử CU .Xác định CTHH của X biết trong 1 phân tử X có 1S
7.Rearranging 1/ They/ morning/ always/ exercise/ to/do/their health. / improve/=>............. 2/ the/ We/ our neighbors./ lower/ in order not/ volume/ to/ bother/=>............ 3/ Peter/ carefully/ does/ so/ not/ as/ drive/ his brother. =>........... 4/ Jim/ the/ this/ cleverest/ in/ student/ English class./ is/ =>............ 5/ Jane/ elder/ is/ at/ better/ cooking/ her/ than/ sister./ =>......... 6/ It was/ the war/ not until/ he/ ended/ that/ his village/ returned to/ =>...... 7/ yesterday/ that/ that book./ I/ was not/ finished/ It / until/ reading/ =>......... 8/ this/ I/ carry/ will/ heavy/ help/ you/ bag./ 9/ I/ by/ the/ really/ ending/ was/ the story./ surprised/ of/ =>......... 10/ My/ house/ grandparents/ live/ an/ the south/ in/ in/ of/ Hà Nội./ old/ =>...........
We were so annoyed that we refused to cooperate further.
=> Such...............................................................................
Trả lời cho mình các câu hỏi sau:
1: Nam: "Do you have time?" - You: "____"
A: I think it's about 5 o'clock B: Yes, I have
C: No, I haven't D: B&C are true
2: Could you _____ doing the washing up?
A: help me B: mind
C: give me a hand D: do me a favour
tuyệt đối không tra mạng
SECTION A (60 minutes)
PART 1- Grammar & Vocabulary Choose the best word or phrase (a, b, c or d) to fill the gap.
1 My name is Juan and I _____ from Spain.
a) is
b) be
c) are
d) am
2 Look at my family. This is _____ photograph.
a) there
b) them
c) their
d) they
3 This is _____ computer.
a) David
b) David’s
c) Davids’
d) Davids
4 I _____ work.
a) sometimes go to the café after
b) to the café go sometimes after
c) go sometimes to the café’ after
d) sometimes after go to the café
5 She _____ for the train at the moment.
a) waits
b) wait
c) waiting
d) is waiting
6 Where _____?
a) does he work
b) he works
c) he does work
d) works he
7 Most hospital workers _____ normal working hours.
a) have not
b) don’t have
c) doesn’t have
d) isn’t have
8 Who did _____ at the party?
a) you saw
b) you see
c) saw you
d) see 9 ‘_____ to Australia, Ginny?’
‘No, I haven’t.’
a) Did you ever go
b) Will you ever go
c) Are you ever going
d) Have you ever been
10 Tokyo is _____ city I’ve ever lived in.
a) the most big
b) the bigger
c) the biggest
d) the more big
11 Is she the woman _____ husband is a writer?
a) which
b) that
c) who
d) whose
12 The police wanted to know exactly how the money _____ stolen from the bank.
a) is
b) was
c) gets
d) did
13 By the time Mary gets here, the film _____.
a) will finish
b) is going to finish
c) will have finished
d) is finishing
14 You _____ tell anyone about this, Sara. It’s a secret, OK?
a) couldn’t
b) wouldn’t
c) mustn’t
d) don’t have to
15 I think you _____ leave now, it’s getting late.
a) can
b) would
c) will
d) should
16 I wish I _____ in such a cold country!
a) didn’t live
b) haven’t lived
c) won’t live d) am not living
17 If Jack _____ music, he wouldn’t have become a concert pianist.
a) hadn’t studied
b) didn’t study
c) wouldn’t have studied
d) hasn’t studied
18 I always go to the cinema _____ Fridays.
a) on
b) in
c) at
d) by
19 I _____ late on Saturdays.
a) get
b) get up
c) go up
d) get on
20 I’m busy on Tuesday, but I’m free on _____.
a) July
b) evenings
c) Wednesday
d) weekends
21 My phone number’s 218974. That’s _____.
a) two one nine eight seven four
b) two one seven nine four eight
c) two one eight seven four nine
d) two one eight nine seven four
22 I will _____ you tomorrow.
a) shout
b) cry
c) call
d) say
23 Hannah’s a really _____ person. She’s always smiling.
a) sensible
b) interesting
c) talkative
d) cheerful
24 I have no _____ what time the swimming pool opens.
a) belief
b) opinion
c) idea
d) feeling
25 It was a beautiful day so we went on a boat _____ on the lake. a) ride
b) travel
c) drive
d) sightseeing
26 It was a great meal, but pretty expensive. Just look at the _____!
a) ticket
b) recipe
c) invoice
d) bill
27 What time do you _____ back from work?
a) go
b) get
c) be
d) travel
28 Joel came back from his holiday in Brazil looking really _____. a) tanned
b) sunned
c) coloured
d) darkened
29 I’m not very interested _____ sports.
a) for
b) about
c) in
d) to
30 She likes _____ Japanese food.
a) to eating
b) eating
c) eat
d) is eating
31 Harry _____ his father’s car when the accident happened.
a) was driving
b) drove
c) had driven
d) has been driving
32 I was wondering _____ tell me when the next plane from Chicago arrives?
a) could you
b) can you
c) if you could
d) please
33 If I _____ you had cancelled the meeting I wouldn’t have turned up!
a) knew
b) have known
c) had known
d) know
34 I like your hair. Where _____?
a) cut you it
b) did you have it cut
c) do you cut it
d) have it cut 35 I think Joey must _____ late tonight. His office light is still on.
a) have worked
b) work
c) be working
d) to work
36 John tells me Les is eighty, _____ I find hard to believe.
a) that
b) who
c) whose
d) which
37 We _____ to the new house by the end of the week, so we won’t be here next Sunday.
a) will have moved
b) will be moving
c) will move
d) are moving
38 What _____ this weekend, Lance?
a) will you do
b) are you doing
c) will you have done
d) do you do
39 The weather has been awful. We’ve had very _____ sunshine this summer.
a) little
b) a little
c) few
d) a few
40 Did you hear what happened to Kate? She _____.
a) is arrested
b) arrested
c) has been arrested
d) is being arrested 41 I often _____ football when I’m at the beach.
a) have
b) go
c) do
d) play
42 My brother _____ the cooking in our house.
a) does
b) makes
c) cooks
d) takes
43 Don’t forget to _____ the light when you go out.
a) turn up
b) turn in
c) turn off
d) turn over
44 I hope this cut on my hand _____ quickly.
a) cures
b) heals
c) treats
d) restores
45 She just burst into _____ when she heard the sad news.
a) crying
b) tears
c) cries
d) break down
46 He _____ that he hadn’t stolen the computer, but no one believed him.
a) reassured
b) informed
c) insisted
d) persuaded
47 Could you _____ me that book for a couple of days, please?
a) lend
b) owe
c) borrow
d) rent
48 Greg is _____ a lot of time at Yvonne’s house these days!
a) taking
b) spending
c) having
d) doing
49 Who _____ in that house?
a) does he live
b) lives
c) did he live
d) he lives
50 I will call you when I _____ home.
a) get
b) will get
c) got
d) getting
51 If you _____ me, what would you do?
a) was
b) would be
c) were
d) have been
52 I don’t know where _____ last night.
a) did he go
b) he did go
c) went he
d) he went
53 John and Betty are coming to visit us tomorrow but I wish _____.
a) they won’t
b) they hadn’t
c) they didn’t
d) they weren’t
54 I’m so hungry! If only Bill _____ all the food in the fridge!
a) wasn’t eating
b) didn’t eat
c) hadn’t eaten
d) hasn’t eaten
55 I regret _____ harder in school.
a) not studying
b) not to study
c) to not study
d) not have studied
56 Surely Sue _____ you if she was unhappy with your work.
a) will tell
b) would have told
c) must have told
d) had told
57 Our neighbours aren’t very polite, and _____ particularly quiet! a) neither they aren’t
b) either they aren’t
c) nor are they
d) neither did they be
58 We had expected that they _____ fluent English, but in fact they didn’t.
a) were speaking
b) would speak
c) had spoken
d) spoke
59 I’d rather _____ next weekend, but I do!
a) I don’t have to work
b) I didn’t have to work
c) not to work
d) no working
60 Harriet is so knowledgeable. She can talk about _____ subject you ask her to.
a) whatever
b) whenever
c) wherever
d) whoever
61 I always _____ milk in my coffee.
a) have
b) eat
c) cook
d) make
62 I don’t often _____ TV.
a) watch
b) look at
c) see
d) hear
63 Can you give me a _____ with my bag?
a) leg
b) back
c) hand
d) head
64 Before you enter the marathon, please bear in _____ that you’re not as young as you used to be!
a) thought
b) question
c) mind
d) opinion
65 The breath test showed he had consumed more than three times the legal limit of alcohol, so the police arrested him for _____.
a) trespassing
b) mugging.
c) speeding.
d) drunk driving
66 The meeting was _____ and not very interesting.
a) time-wasting
b) time-consuming
c) time-using
d) out of time
67 After the film was released, the main _____ point was its excessive use of violence.
a) discussion
b) speaking
c) conversation
d) talking
68 There have been several big _____ against the use of GM foods recently.
a) campaigns
b) issues
c) boycotts
d) strikes
PART 2 - Reading
Passage 1 Read the text below. For questions 69 to 73, choose the best answer (a, b, c or d).
‘Heavier than air flying machines are impossible,’ said the well-known scientist Lord Kelvin in 1895. Thomas Watson, the chairman of IBM in 1943, was wrong too when he said that he thought there would be a world market for only five or so computers. Predictions can, of course, be wrong, and it is very difficult to predict what the world will be like in 100, 50, or even 20 years from now. But this is something that scientists and politicians often do. They do so because they invent things and make decisions that shape the future of the world that we live in. In the past they didn’t have to think too much about the impact that their decisions had on the natural world. But that is now changing. An increasing number of people believe that we should live within the rules set by nature. In other words, they think that in a world of fixed and limited resources, what is used today will not be there for our children. We must therefore look at each human activity and try to change it or create alternatives if it is not sustainable. The rules for this are set by nature, not by man.
69 What was Lord Kelvin suggesting?
a) It is difficult to make accurate predictions.
b) It would be possible for people to fly.
c) It would be impossible for people to fly.
d) There would only be a few computers.
70 Which of the following statements is true (according to the text)?
a) Lord Kelvin and Thomas Watson were good friends.
b) The world does not have unlimited natural resources.
c) Our children will not make predictions about the future.
d) It is easy to predict what the world will be like 20 years from now.
71 ‘shape’ (line 8) is closest in meaning to:
a) do
b) create
c) look at
d) move
72 The article suggests we should live in a _____ way.
a) selfish
b) sustainable
c) predictable
d) scientific
73 Choose the best title for the article.
a) Predictions and more predictions!
b) Politicians and scientists
c) A sustainable future for our children
d) New inventions
Passage 2 Read the text below. For questions 74 to 78, choose the best answer (a, b, c or d)
Many hotel chains and tour operators say that they take their environmental commitments seriously, but often they do not respect their social and economic responsibilities to the local community. So is it possible for travellers to help improve the lives of locals and still have a good holiday? The charity, Tourism Concern, thinks so. It has pioneered the concept of the fair-trade holiday. The philosophy behind fair-trade travel is to make sure that local people get a fair share of the income from tourism. The objectives are simple: employing local people wherever possible; offering fair wages and treatment; showing cultural respect; involving communities in deciding how tourism is developed; and making sure that visitors have minimal environmental impact. Although there is currently no official fair-trade accreditation for holidays, the Association of Independent Tour Operators has worked hard to produce responsible tourism guidelines for its members. Some new companies, operated as much by principles as profits, offer a fantastic range of holidays for responsible and adventurous travellers.
74 Tourism Concern…
a) helps tourists who have had bad holidays.
b) is a philosophy.
c) is a charity and fair-trade organisation.
d) has a chain of hotels.
75 Which of the following is NOT one of Tourism Concern’s objectives?
a) Good pay for local people.
b) Showing respect for local cultures.
c) Saving tourists money.
d) Protecting the local environment.
76 According to the text, fair-trade travel is all about…
a) making money for charity.
b) money from tourism going to local people.
c) travellers getting a good deal.
d) a great cultural experience.
77 According to the text, there are _____ companies that are operated on principles as well as profits.
a) a few
b) no
c) some old
d) many
78 Choose the most appropriate title for the article.
a) Holidays from heaven
b) Cheap adventure holidays
c) Fair-trade holidays
d) Great holiday deals
Passage 3 Read the text below. For questions 79 to 84, choose the best answer (a, b, c or d).
Standards of spelling and grammar among an entire generation of English-speaking university students are now so poor that there is ‘a degree of crisis’ in their written use of the language, the publisher of a new dictionary has warned. Its research revealed that students have only a limited grasp of the most basic rules of spelling, punctuation and meaning, blamed in part on an increasing dependence on ‘automatic tools’ such as computer spellcheckers and unprecedented access to rapid communication using email and the Internet. The problem is not confined to the US, but applies also to students in Australia, Canada and Britain. Students were regularly found to be producing incomplete or rambling, poorly connected sentences, mixing metaphors ‘with gusto’ and overusing dull, devalued words such as ‘interesting’ and ‘good’. Overall they were unclear about appropriate punctuation, especially the use of commas, and failed to understand the basic rules of subject/verb agreement and the difference between ‘there’, ‘their’ and ‘they’re’. Kathy Rooney, editor-in-chief of the dictionary, said, ‘We need to be very concerned at the extent of the problems with basic spelling and usage that our research has revealed. This has significant implications for the future, especially for young people. We thought it would be useful to get in touch with teachers and academics to find out what problems their students were having with their writing and what extra help they might need from a dictionary. The results were quite shocking. We are sure that the use of computers has played a part. People rely increasingly on automatic tools such as spellcheckers that are much more passive than going to a dictionary and looking something up. That can lull them into a false sense of security.’ Beth Marshall, an English professor, said, ‘The type of student we’re getting now is very different from what we were seeing 10 years ago and it is often worrying to find out how little students know. There are as many as 800 commonly misspelled words, particularly pairs of words that are pronounced similarly but spelled differently and that have different meanings – for example, “faze” and “phase”, and “pray” and “prey”.’
79 ‘grasp’ (line 4) is closest in meaning to:
a) ability
b) use
c) understanding
d) skill
80 We can infer from the style of the text that this article was printed in a…
a) newspaper.
b) dictionary.
c) novel.
d) guidebook.
81 Kathy Rooney carried out research to see…
a) if students could spell certain words.
b) how widespread the use of computers is.
c) if academics were in touch with their students.
d) how dictionaries can help students.
82 them (line 22) refers to:
a) spellcheckers
b) computers
c) people
d) dictionaries
83 According to Beth Marshall, students today…
a) spell 800 words incorrectly on average.
b) like using spellcheckers.
c) mispronounce and misspell words.
d) are not as knowledgeable as they were in the past.
84 Choose the best title for the article.
a) Standards of spelling and grammar
b) Dictionaries of the future
c) Students don’t know their ‘there’ from their ‘they’re’
d) Automatic tools
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