if we cut down more forests , there will be more floods
If we cut dơn more forests, there will be more floods
Wild animals (and wild plants) and the wild places where they live are seriously threatened almost everywhere. One species has become extinct in each year of this century. But many hundreds are now in danger. Lack of attention would lead to the rapid advance of the process of extinction.
Already many kinds of wild animals have been so reduced in number that their role in the ecosystem is forgotten. Animals like the great apes, the whales, seals etc. thought to be in danger of extinction.
But even more important, perhaps than individual kinds of animals and plants, whole habitats are in danger of vanishing: marshes are being drained, and the world forests, especially tropical forests are being cut down to satisfy man’s needs of timber and paper.
What would our world be like if all the wild animals and wild plants vanished? - Would our life still exist then?
1. What would happen to the human beings if the wild life vanished?
A. Many species would quickly become extinct.
B. The human life would be seriously threatened.
C. Species would go on dying out.
D. Tropical forests would be cut down.
2. What is more important than individual kinds of animals and plants?
A. the vanishing of whole habitats. B. the extinction of many species.
D. man’s need of timber and paper. C. the rapid advance of the process of extinction.
3. What does the writer caution us against?
A. cutting down the tropical forests. B. hunting wild animals.
C. draining marshes. D. destroying our environment.
4. What would happen if we cut down forests?
Cutting down forests would cause ……………..
A. the changes of temperature. B. the flood
C. both A and B are correct. D. none are correct.
5. “To threaten” in the passage means …………..
A. to pollute B. to give fear to C. to vanish D. to poison
Chia động từ
If we (recycle)....... more household waste,there (be)....... less damage to the environment .
Chia động từ
If we (recycle)....... more household waste,there (be)....... less damage to the environment .
Complete the sentences about the possible future for our word,using a suitable form of the verb in brackets,depending on whether you think the sentence describes something real/possible or unreal/impossible.
1) If we (recycle)....... more household waste,there (be)....... less damage to the environment .
2) If the earth (stop)......... spinning one side (always be)....... in darkness.
3) If the polar ice-cap (melt)....... completely sea levels worldwide (rise)......... by about 60 metres.
4) If an astronaut (fall)....... into a black hole in space ,what(happen)..........?
5) If people (not stop)........... using cars so much the country's road (eventually grind)............ to a standstill.
6) What (happen)............ when the world's supplies of oil (run out).............?
7) If human beings (finally start)........... living on the moon,they (need)........... to produce water artificially.
8) If there (not be).............. any money (the world be)............ a better place?
9) If we (not stop)................. over-fishing the world's oceans,many species (become)............... extinct.
10) If everyone in the world (jump).......... up and down at the same time,there(be)..............no measuarable effect ( apart from 6.5 billion footprints).
Complete the sentences about the possible future for our word,using a suitable form of the verb in brackets,depending on whether you think the sentence describes something real/possible or unreal/impossible.
1) If we (recycle)....... more household waste,there (be)....... less damage to the environment .
2) If the earth (stop)......... spinning one side (always be)....... in darkness.
3) If the polar ice-cap (melt)....... completely sea levels worldwide (rise)......... by about 60 metres.
4) If an astronaut (fall)....... into a black hole in space ,what(happen)..........?
5) If people (not stop)........... using cars so much the country's road (eventually grind)............ to a standstill.
6) What (happen)............ when the world's supplies of oil (run out).............?
7) If human beings (finally start)........... living on the moon,they (need)........... to produce water artificially.
8) If there (not be).............. any money (the world be)............ a better place?
9) If we (not stop)................. over-fishing the world's oceans,many species (become)............... extinct.
10) If everyone in the world (jump).......... up and down at the same time,there(be)..............no measuarable effect ( apart from 6.5 billion footprints).
1. If you practise regularly, you will become more skilful.
---> The more regularly
2. Success depends on hard work
---> The harder
3. He is the most humorous man we have ever known
---> We have never
4. I've never met a more intelligent man than he
---> He
cho dạng đúng của đọng từ trong ngoặc
1, we are having a ( wonder).......... time in Nha Trang.
2, Nam í always (complaint)............... about thighe (weigh)........... of my suicase.
3, the people are very (friend)................ and ( help)..................
4, our ( accoommodate)............ is included in th ticket price.
5, More and more people are concerting about ( enviroment)........... pullution
6, these knives are ( use).............. They can't cut anything
Complete the sentences about the possible future for our word,using a suitable form of the verb in brackets,depending on whether you think the sentence describes something real/possible or unreal/impossible.
1) If we (recycle)....... more household waste,there (be)....... less damage to the environment .
2) If the earth (stop)......... spinning one side (always be)....... in darkness.
3) If the polar ice-cap (melt)....... completely sea levels worldwide (rise)......... by about 60 metres.
WEEK 4 COMPARISON
21. Of the four dresses, which is _________________expensive?
A. the best B. the most C. the more D. the greater
22. The larger the apartment, the __________________ the rent is.
A. expensive B. more expensive C. expensively D. most expensive
23. The faster we walk, __________________ we will get there.
A. the soonest B. the soon C. the more soon D. the sooner
24. “Why did you buy these oranges?” “They were __________________ I could find”
A. cheapest B. cheapest ones C. the cheapest ones D. the most cheapest
25. She plays the piano __________________ as she sings.
A. as beautifully B. more beautifully C. as beautiful D. the most beautifully
26. The streets are getting more and __________________ these days.
A. crowded B. less crowded C. more crowded D. most crowded
27. The larger the city, __________________the crime rate.
A. highest B. higher C. the highest D. the higher
28. You must explain your problems ________.
A. as clear as you can B. as clearly as you can
C. as clear than you are D. as clearly as you are
29. Nobody in this team plays _________ Tom.
A. as good as B. so well as C. as best as D. as well as
30. Which woman are you going to vote for? –I’m not sure. Everyone says that Joan is _______.
A. smarter B. the smarter C. more smarter D. more smart
31. Peter is ________ student in my class.
A. taller than B. so tall as C. the tallest D. tallest
32. Can Tho is ________ from Sai Gon than Bien Hoa is.
A. farther B. further C. far D. farthest
33. The harder this student works, ________ he becomes.
A. the most understanding B. the more understanding
C. more understanding D. understanding
34. The ________ he is, the more miserable he gets.
A. richer B. more rich C. rich D. the richer
35. Of the two sisters, Linda is the ________.
A. beautiful B. more beautiful C. the most beautiful D. so beautiful as
36. Instead of slowing down, he drove ________.
A. more fastly B. faster C. more faster D. faster more
37. Commercial centers are ________ they were many years ago.
A. as popular than B. more popular than
C. the most popular D. most popular than
38. I can’t stand this weather. It’s getting ________.
A. better and worse B. worse and worse C. worst and worst D.more and more worse
39. ________ people use the internet every day.
A. Many and many B. Most and most C. More and more D. The more
40. Of course you can come to the party. _______.
A. The more the merrier B. The more and the merrier
C. The more and merrier D. The more and more merrier
WEEK 5 PREPOSITIONS/ STRESS
1. It is considered rude for participants to _______ while the chairman is delivering a speech.
A. put in B. cut in C. cut down D. bring in
2. Peter has _______ strange hobbies like collecting bottle tops and inventing secret codes.
A. gone on B. taken up C. gone with D. taken off
3. The fire must have _______ after the staff had gone home.
A. broken down B. broken up C. broken out D. broken off
4. When they had finished playing, the children were made to _____all the toys they had taken out.
A. put off B. put out C. put up D. put away
1. You won’t _______ with the others in the class unless you try your best.
A. turn up B. take up C. keep up D. get up
2. After his mother’s death, he was _______ by his aunt.
A. carried out B. fed up C. set up D. brought up
3. Because of heavy sbowfall, the semi-final match had to be _______until the next week.
A. taken off B. taken away C. put off D. put away
4. The match was_______because of the bad weather.
A. passed away B. put down C. called off D. paid up
5. After his wife’s death, he let son_______the company and retired.
A. get over B. get on C. take over D. take on
6. Wendy closedly resembles her mother, whereas her sister, Marge, _______ her father.
A.takes after B. looks after C. goes after D. calls off
7. Lucia was surprised when her guest_______ late for the party
A. came up B. turned up C. looked up D. put up
8. The bomb _______ in a crowded area of the town.
A. went over B. went off C. turned off D. turned on
9. They gave me a form and told me to _______.
A. give away B. fill in C. make up D. see off
10. Sorry I’m late. The car _______ on the way here.
A. went back B. closed down C. turned back D. broke down
WEEK 6 TENSES
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
21. As the sun _________ , I decided to go out.
A. shines B. has shine C. shine D. was shining
22. By the time the police arrive, the thieves________ the stolen things.
A. hide B. had hidden C. are hiding D. will have hidden
23. She came into the room while they _______ television
A. have watched B. watched C. have been watching D . were watching
24. The baby_________ non-stop for half an hour.
A. cried B. is crying C. has been crying D. was crying
25. Mr. Smith said he would come but he_________ yet.
A. did not come B. had not come C. does not come D. has not come
26. By the time we got out of this traffic jam, all the guests _______ home.
A. have gone B. had gone C. were going D. would go
27. Sorry. I can’t go there with you now. I _________ my homework at present.
A. did B. do C. was doing D. am doing
28. She always _________ dates on the holidays.
A. have B. had C. has had D. has
29. Last year, they _________ to Europe with their best friends on their summer holidays.
A. visited B. traveled C. will travel D. are visiting
30. What are you going to do this weekend?- We _______ visit our grandfather in the countryside.
A. are going to B. were going to C. have gone to D. went
31. He has lived here since he ________ here.
A. came B. has came C. comes D. come
32. He does not save as much money as he____ last year.
A. did B. does C. uses D. did used
33. She has not written to me________ we met last time.
A. before B. since C. ago D. while
34. The police ________ for the thieves at the moment.
A. have been looking B. will be looking C. are looking D. is looking
35. Put the raincoat on. It________.
A. had rained B. will be raining C. is raining D. has rained
36. Since motion pictures________ we have had a new kind of entertainment.
A. were invented B. have been invented
C. will have been invented D. had been invented
37. There_____ a lot of furniture in our uncle's house.
A. is being B. were C. are D. is
38. Mr. Jones sometimes________ on time for work.
A. does not get up B. won't get up
C. had not got up D. is not going to get up
39. He ________ for twenty years before he retired last year
A. had been teaching B. has taught
C. was teaching D. has been teaching
40. By 2020, everything ________ different
A. will have been B. would be C. will be D. can be
