There are now several reports that some of these medicines may be _____________

· 08:13 27/02/2021

Đề kiểm tra Tiếng Anh 12 Học kì 2

There are now several reports that some of these medicines may be _______________ ineffective. (danger)
2. _______________ is the existence of a large number of different kinds of different kinds of animals and plants
which make a balanced environment. (diverse)
3. The referee decided to _______________ him for the time-wasting. (penalty)
4. An international meeting to discuss _______________ issues is taking place in July. (environment)
5. We would also like to thank our _______________ for their valuable comments. (review)
B. Complete each of the following sentences so that it means exactly the same as the sentence printed before it.
6. John did not get the promotion despite his more years of experience than Peter.
Although _________________________________________________________________________________________________ .
7. The pilot was the only person who survived in the crash.
The pilot was the only person to ___________________________________________________________________________ .
8. We can't make pancakes now as we have no milk left.
We can't make pancakes now as we have run _____________________________________________________________ .
9. I don't know much about the games played by children nowadays.
I don't know much about the games wh ___________________________________________________________________ .
10. Wearing your uniform at all times is essential when you are on duty.
Your uniform ______________________________________________________________________________________________ .
C. Use the correct word form.
11. Factories which puts __________ into rivers and lakes must be fined and closed down. (contaminate)
12. The removal or __________ of one or several species may irreversibly damage the ecosystem and lead to its
declined. (appear)
13. They are working to preserve the __________ balanced ecosystem of these wetlands. (delicate)
14. Titles should be brief, but __________, and should indicate the nature of the contents, not their import. (inform)
15. There is a plan to __________ the three-year course to four years. (long)
D. Complete each of the following sentences so that it means exactly the same as the sentence printed before it.
16. Using mobile phones in the class is prohibited.
Students are not ______________________________________________________________________________________________ .
17. I am certain that he buried something in the garden.
He must ______________________________________________________________________________________________________ .
18. Despite his correct answers to all of the questions, he didn’t get the highest mark for his poor spelling.
Although _____________________________________________________________________________________________________ .
19. The money found in the street has been given to charity.
The money wh _______________________________________________________________________________________________ .
20. I need to solve this math problem by the end of the day.
Before the day is up, I must come up __________________________________________________________________________