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I. Choose one word or phrase - a, b, c or d - that best completes the sentence or substitutes for the underlined word or phrase
1____________ is a chemical used for killing weeds.
A. Pesticide
B. Herbicide< thuốc diệt cỏ>
C. Fertilizer D. Antibiotic
2. Sperm whale population are at risk due to hunting.
A. in extinction
B. in danger < in danger = at risk = in ruin : đang bị đe dọa, đang bị nguy hiểm>
C. on the decrease D. in fewness
3. What would Tom do if he ______ the truth?
A. would know B. has know C. knows
D. knew < câu đk loại 2>
4. _____________ you, I would think twice about that decision. It could be a bad move.
A. If I am B. Should I be
C. Were I < nhìn phía sau ta thấy : would think" rồi theo nghĩa câu ta biết đc là câu đk loại 2.
Were + S + O , S+ would/ could/ might ... + V(bare ) + O
or : Were + S + to V, S + would/ could + V<bare> + O
=> Đảo ngữ câu đk loại 2
D. If I had been
5. An announcement about the eight o'clock flight to Chicago ________.
A. has been already made B. has already made
C. has already been made D. already made
6. Many reliable methods of storing information ___________when computers arrived.
A. tend forgotten B. tend to forget
C. tend to be forgotten D. tend being forgotten
7. He would never do anything to _______ the lives of his children.
A. danger B. endanger (verb) C. endangered D. dangerous
8. Whales and sharks are carnivores, _______ means they eat meat.
A. this B. that C. it D. which
9. Mary's children are used to ____ after school every day. They don't have to walk home.
A. picking up B. being picked up < tobe + used to + being + V_pp -> bị động> C. be picked up D. pick up
10. Diaz is a wonderful ballet dancer. She ______ since she was four.
A. had been dancing B. has been danced C. has danced D. was danced
11. Up to now, AIDS have not been _______, and more and more people died of the disease.
A. treated B. concerned C. killed D. stopped
12. She is a famous _______. She is very interested in protecting wild animals from extinction.
A. conserve B. conservationist ( n -> chỉ người )
Ở chỗ chấm chấm cần 1 Noun chỉ người vì S là "she"
C. conservation D. Conservational
13. A: I don't know how to use this camera?
B: It's quite easy. ................. you
A. I going to show B. I'll show < đây là 1 quyết định tức thời> C. I'm will show D. I'm going to show
14. We....................use herbicides, pesticides and fertilizers that harm the environment
A. should not B. should C. will D. does not
15. The animals are not kept in .............., they can live in their natural environment
A. cages B. house C. hotel D. restaurant
16. The English class ..................................by a lot of students and teachers tomorrow
A. will be attended B. will attend C. attended D. will attended
17: These flowers are fresh. They .................... from the garden
A. have been just picked B. have just been picked
C. have been picked just D. just have been picked
18: You .............. go to bed late. It's not good for your health.
A. mustn't B. should C. shouldn't < câu khuyên ko nên đi ngủ muộn vì nó ko tốt cho sức khỏe>
D. oughtn't
19. I think you ................study hard for the next exam.
A. could B. will C. would D. should < nên hok hành chăm chỉ cho kì thi tới>
20. The life ......... of sperm whale can be up to seventy years.
A. distance B. period C. length D. span < life span : tuổi thọ , vòng đời ( đối vs sinh vật ) >
21. Without plants, most of water would ............................as soon as it falls.
A. run off B. run after C. run away D. run by
22. I still can't believe it! My bicycle................ last night.
A. was stealing B. stolen C. was stolen D. stole
23 It rained all the time, ................was a great pity.
A. that B. what C. which D. who
24. Water can be held on the land by vegetation.
A. plants used as food B. grown tree
C. plants and trees D. the growth of plants
25. The farmer removed some undeveloped trees to improve the growth of the rest.
A. planted B. watered C. eliminated D. fertilized