..........you(have).........problems with your french lessons?

10. Governments__________laws to protect wildlife from commercial trade.
A. have made B. have enacted
C. have been done D. have been taken
11. In the past people believed that our natural__________could never be used up.
A. environment B. sources
C. resources D. forests
12. He performed very well in the interview. __________, he didn't get the joB.
A. Since B. Therefore
C. But D. However
13. I remember__________her somewhere, but I don't remember her name.
A. to meet B. met
C. meeting D. meet

14. Jane doesn't speak English__________.
A. as good as Betty B. as well as Betty
C. better as Betty D. worse as
15. Let's do something to protect the environment, __________we?
A. must B. need
C. will D. shall
16. It is too hot. We should__________with a swim in the lake.
A. cool off B. turn up
C. catch up D. look out

III. Mark the letter A, B, c or D to show the underlined part that needs correction.
5. People said that Henry was the last person left the burning house.
A B C D
6. Everyone should arrive early so that we can start the meeting at time.
A B c D
7. Mary studied very harD. Therefore, she passed the driving test easy.
A B C D

A. filled B. cleaned C. ploughed D. watched

A. waked B. talked C. naked D. walked

Em đã biết rằng cứ lên cao 100m nhiệt độ sẽ giảm 0,6^oC

Do đó, từ 0m lên 3000m nhiệt độ là:

 30 - (0,6x30) = 12( ^oC)

Em đã biết rằng cứ lên cao 100m nhiệt độ sẽ giảm 0,6^oC

Do đó, từ 0m lên 300m nhiệt độ là: 30 - (0,6x3) = 28,2( ^oC)