Part 3

 1. B. Bad effects of car exhausts.

Dẫn chứng:  "causes more deaths than road accidents."

                    " one third of all harmful air pollution was caused by road transport "

                    " caused estimated 21,000 premature deaths "

                     "caused 300,000 extra cases of bronchitis in children, and 15,000 extra hospital admissions for heart disease made worse by the pollution."

 2. A. air pollution causes more deaths than road accidents.

Dẫn chứng: "According to the World Health Organization (WHO) research, the emission from car exhausts causes more deaths than road accidents. "

 3..D. less than to make car safer

Dẫn chứng:"A lot of money goes into making cars safer, but not as much is spent solving air pollution."

 4. C. Causing road accidents

Dẫn chứng: A= "300,000 extra cases of bronchitis in children"

                   B=  "21,000 premature deaths "

                   D= "heart disease made worse"

=> Nhắc đến A,B,D không nhắc đến C.

 5. B. Car fumes cause one third of all harmful air pollution.

Dẫn chứng:" one third of all harmful air pollution was caused by road transport"

Part 4:

 1. A. a coming earthquake.

Dẫn chứng:"A recent investigation by scientists at the U.S. Geological Survey shows that strange animal behavior might help predict earthquakes."

 2. A. Animals have certain instincts that human’s don’t possess: động vật có những bản năng nhất định mà con người không có 

 3. B. a lower death rate

Dẫn chứng:"Although hundreds of thousands of people were killed, the government was able to evacuate millions of other people and thus keep the death toll at a lower level."

 4. A. remove

remove=evacuate: sơ tán 

 5. D. All birds and dogs in the ten-kilometer radius of the epicenter went wild before the earthquake

Câu này, tớ dùng loại trừ, tất cả các câu còn lại đều đúng=> Câu D sai.

Chúc bạn học tốt!