Choose the best answer (indicated by A, or B, C, D) to complete the sentence

6. Many countries have passed laws restricting hunting and fishing to protect ..............

A. the natural environment B. fish C. wild - life D. the resources

7. If you burn the garbage, it will give off .............. odor.

A. unpleasant B. poisonous C. dirty D. harmful

8. My teacher isn't .......... with my report.

A. please B. pleasing C. pleased D. pleasant

9. That news is ........... to be true.

A. so good B. very good C. too good D. good

10. I turned the job, ............. the attractive salary.

A. because B. because of C. although D. despite

11. What ............. weather we are having! It's such a nice day.

A. a lovely B. lovely C. so lovely D. such lovely

12. Because it has not rained for several months, there was a ............. of water.

A. scare B. drop C. waste D. shortage

13. ................... Nancy's tapes are jazz.

A. almost B. almost of C. most D. most of

14. We were .............. that concert.

A. disappointed by B. disappointed of C. disappointing D. disappointing in

15. I wish you .............. stop interrupting me whenever I speak.

A. will B. would C. can D. might

16. Ann agreed to stay behind; she was used to ............... late.

A. working B. have worked C. work D. being worked

17. I wonder who drank all the milk yesterday. It .......... have been Jane because she was out all day.

A. can't B. must C. could D. needn't

18. You hardly ever believe him and ..............

A. so do I B. neither do I C. I do, either D. I believe him

19. '' I've lost my keys. Have you seen them today?''
'' Yes, I remember .............. them on the table this morning.''

A. to see B. seeing C. to seen D. that seeing

20. In a few hours, we .......... the test, and we'll go home and rest.

A. have finished B. will have finished C. are finishing D. will be finishing

21. The reason I left is ............ I was bored.

A. why B. that C. while D. for

22. My brother didn't phone while I was out, .............?

A. has he B. is he C. did he D. didn't he

23. The more you know about art, .............. you are likely to enjoy looking at paintings.

A. the more B. the fewer C. the much D. the less

24. ............you read the instructions carefully, you'll understand what to do.

A. As far as B. Provided C. As much as D. As well as

25. In some areas, water ............... from the ground faster than nature can replenish the supply.

A. is being taken B. has been taken C. is taking D. has taken

Part 1: You will hear people talking in eight different situations. For questions 1-8, choose the best
answer (A, B or C) and write your answers in the corresponding numbered boxes.
1. You overhear two people talking about a disagreement. What feeling does the woman express?
A. willingness to discuss the matter again
B. regret at what she said
C. annoyance at what happened
2. You hear a football supporter talking about a player. What is his opinion of the player?
A. He's getting better.
B. He's not as good as he was.
C. He's never been very good.
3. You overhear a college administrator talking on the phone about a lesson. What does she tell the
caller?
A. The cost of one lesson will be refunded.
B. The lesson will happen at a later date.
C. A different teacher will take the lesson.
4. You hear a man talking about a company. Who is the speaker?
A. a manager at the company
B. a business journalist
C. a worker at the company
5. You hear a man and a woman discussing a social arrangement. What is the woman's purpose?
A. to find out information
B. to change the arrangement
C. to avoid going
6. You hear someone on the radio talking about recycling. What is the speaker's main topic?
A. problems associated with recycling
B. why recycling is necessary
C. the amount of recycling that is happening
7. You overhear two people talking in an airport waiting area. What is the situation?
A. They're going on a business trip.
B. They're going to live in another country.
C. They're going on holiday.
8. You hear a man talking about a phone call. What does he say about the call?
A. It took longer than it should have taken.
B. He was told something surprising during it.
C. He had not expected the call.
 

1. Từ một danh sách 10 học sinh ưu tú, có bao nhiêu cách chọn ra 5 học sinh để lập ban cán bộ lớp gồm 1 lớp trưởng, 1 lớp phó và 3 cán sự. Hãy xác định công thức tính đúng trong các công thức tính sau:

2. Hãy chọn kết quả đúng trong các kết quả sau

Hãy xác định số hạng không chứa X trong các kết quả sau:

A. 495         B. 490          C.488      D. 480

Tìm kết quả đúng trong các kết quả sau:

A. 210            B. 24            C. 25            D. 29

B. Phần tự luận (8 điểm)

Câu 1: Tính diện tích miền phẳng kín giới hạn bởi các đường:( bt lm r)

Câu 2: Trong không gian Oxyz cho các điểm A(1,0,0); B(0,2,0); C(0,0,3).

a) Viết phương trình mặt phẳng (ABC), tính thể tích khối tứ diện O.ABC.

b) Viết phương trình mặt cầu ngoại tiếp tứ diện O.ABC, xác định tọa độ tâm và bán kính mặt cầu này.

c) Viết phương trình đường tròn ngoại tiếp tam giác ABC, xác định tọa tâm, bán kính đường tròn này.

Câu 3. Một hộp bi có 7 viên bi xanh, 6 viên bi trắng và 5 viên bi vàng. Biết rằng các viên bi cùng màu giống hệt nhau, hãy xác định số cách chọn ra 6 viên bi từ hộp đó sao cho có đủ ba màu.

Nhiều loại sản phẩm hóa học được sản xuất từ muối ăn trong nước biển như: HCl, nước Gia-ven, NaOH, NaCO₃

a. Hãy Viết các phương trình hóa học biểu diễn các quy trình sản xuất đó.

b. Tính khối lượng NaCl cần thiết để sản xuất 15 tấn NaOH. Biết hiệu suất của quá trình là 80%.

GIẢI HỘ EM VỚI Ạ!