Questions 9 to 12 are bused on the conversation you have just heard.
A. The past several winters have been unusually severe.
B. No melting has been observed.
C. The ice shelf had remained intact for centuries despite the weather.
D. Nothing unusual has happened in other parts of Antarctica.
查看答案
Passage Three Questions 23 to 25 are bused on the passage you have just heard.
A. Because most people don’t like to sort their trash.
Because all the trash cans are the same color.
C. Because collections are not made on a regular basis.
D. Because not enough people volunteer to collect the trash~
Questions 9 to 12 are bused on the conversation you have just heard.
A. Warmer water temperatures.
B. A rise in ocean level.
Colder winds.
D. Less aquatic life.
Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D. Passage One Questions 16 to 19 are bused on the passage you have just heard.
A. It served as a fertilizer for crops.
B. It stabilized air temperatures.
C. It destroyed various insect pests.
D. It formed a new mountain.
Questions 13 to 15 are based on the conversation you have just heard.
A. The center offers jobs to students of genetic major.
B. The center protects wild animals from being hunted by human beings.
C. The center brings up endangered species and tries to prepare them for life in the wild.
D. The center does research on wildlife with scientific objectives.
微信支付 
支付宝支付