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

Rachel Carson was born in 1907 inSpringsdale,Pennsylvania. She studied biology at college and zoology atJohnsHopkinsUniversity, where she received her master’s degree in 1933. In 1936, she was hired by the U.S. Fish and Wildlife Service, where she worked most of her life.

Carson’s first book, Under the Sea Wind, was published in 1941. It received excellent reviews, but sales were poor until it was reissued in 1952. In that year she published The Sea Around Us, which provided a fascinating look beneath the ocean’s surface, emphasizing human history as well as geology and marine biology. Her imagery and language had a poetic quality.Carson consulted no less than 1,000 printed sources. She had voluminous correspondence and frequent discussions with experts in the field. However, she always realized the limitations of her nontechnical readers.

In 1962, Carsonpublished Silent Spring, a book that sparked considerable controversy. It proved how much harm was done by the uncontrolled, reckless use of insecticides. She detailed how they poison the food supply of animals, kill birds and fish, and contaminate human food. At the time, spokesmen for the chemical industry mounted personal attacks against Carson and issued propaganda to indicate that her findings were flawed. However, her work was proved by a 1963 report of the President’s Science Advisory Committee.

According to the passage, Silent Spring is primarily

A. an attack on the use of chemical preservatives in food

B. a discussion of the hazards insects pose to the food supply

C. a warning about the dangers of misusing insecticides

D. an illustration of the benefits of the chemical industry

Mark the letter A, B, C or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions.

Thanh Hoa is well-known for its beautiful beaches and seafood.

A. rich

B. successful

C. honest

D. famous

Cho 0,08 mol este đơn chức, mạch hở phản ứng hoàn toàn với dung dịch chứa 0,12 mol MOH ( M là kim loại kiềm ). Cô cạn dung dịch sau phản ứng, thu được chất rắn Y và 3,68 gam ancol Z. Đốt cháy hoàn toàn Y, thu được M₂CO₃, H₂O và 4,4 gam CO₂. Tên gọi của X là

A. Metyl fomat

B. Metyl axetat

C. Etyl fomat

D. Etyl axetat

The proposal will go ahead despite strong ___________ from the public.

A. objections 

B. refusals             

C. resistances 

D. disagreements

Most young people nowadays believe in  ___________ marriage – first come love, then comes marriage.

A. romantic           

B. arranged           

C. unique              

D. contractual

Để khử hoàn toàn 16,0 gam Fe₂O₃ bằng khí CO (ở nhiệt độ cao), phản ứng tạo Fe và khí CO₂. Thể tích khí CO (đktc) cần dùng là

A. 6,72

B. 2,24

C. 4,48

D. 3,36