Viết số thích hợp vào ô trống:

Trong khi các bạn trong lớp đang trồng cây thì Q lẻn ra chỗ khác chơi cho mát. Việc đó thể hiện?

A. Q là người tích cực tham gia hoạt động của lớp, trường.

B. Q là người không tích cực tham gia hoạt động của lớp, trường.

C. Q là người sống hòa đồng với các bạn.

D. Q là người tốt bụng.

Mark the letter A, B, C or D on your answer sheet to indicate the word which is stressed differently from that of the rest in each of the following questions.

A. Important      

B. Attraction        

C. Character       

D. irrational

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Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word for each of the blanks .

We are using up the world’s Petroleum. We use (18) _______ in our cars and to heat our building inwinter.Farmers use petrochemicals to (19)_______ the soil rich. They use them to kill insects (20) _______ eat plants. These chemicals go (21)_______  rivers and lakes and kill the fish there. Thousands of pollutants also go into the air and pollute it. Winds carry this (22)_______ air to other countries and other continents.

Poor farmers use the same land over and (23)_______. The land needs a rest so it will be better next year. However, the farmers must have food this year. Poor people cut down forests (24)_____ firewood. In some areas when the trees are gone, the land (25)_______ desert. Poor people can’t save the environment for the (26)_______            

     This is not a problem for one country or one area of the world. It is a problem for all- humans. The people and the nations of the world must work together to (27)_______ the world’s resources.

Điền vào số (27)

A. recycle  

B. preserve  

C. keep       

D. reuse

Trong phòng thí nghiệm có thể điều chế N₂ bằng cách

A. Nhiệt phân NaNO₂

B. Đun hỗn hợp NaNO₂ và NH₄Cl

C. Thủy phân Mg₃N₂

D. Phân hủy khí NH₃

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

_______he arrived at the bus stop when the bus came.

A. Not until had

B. No longer had

C. Hardly had

D. No sooner had

Trong phòng thí nghiệm, thường điều chế HNO₃ bằng phản ứng

A. NaNO₃ + H₂SO₄ (đặc) → HNO₃ + NaHSO₄

B. 4NO₂ + 2H₂O + O₂ → 4HNO₃

C. N₂O₅ + H₂O → 2HNO₃

D. 2Cu(NO₃)₂ + 2H₂O → Cu(OH)₂ + 2HNO₃

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

He'd hardly finished doing his homework when you arrived,______? 

A. didn't he

B. had he

C. would he

D. hadn’t he