RIVERDOLPHINRUNNINGOUTOFTIMETheYangtzedolphinistheonlyk...

问题详情：

RIVER DOLPHIN RUNNING OUT OF TIME

The Yangtze dolphin is the only kind of dolphin that lives in freshwater all its life. Scientists say that the finless freshwater dolphin that has lived in the Yangtze River for over 20 million years, will die out in 15 years. It’s in danger of disappearing forever.

Dangers:

■Dredging(挖掘) of their habitat

■Heavy boat traffic in the Yangtze River

■Insecticide(杀虫剂) and mercury(*)

1. How long has the Yangtze dolphin lived in the Yangtze River?

A. For 20 million years.

B. For less than 20 million years.

C. For more than 20 million years.

2. What is NOT a danger to the Yangtze dolphin?

A. Dredging the river bed or heavy boat traffic in the river.

B. Insecticide and mercury.

C. Swimmers.

3. How heavy is an adult Yangtze dolphin?

A. 30 kg.           B. 45 kg.

C. 30 kg~45 kg.

4. What does the Yangtze dolphin mainly eat?

A. Fish and shrimps.            B. Fish.

C. Shrimps.

5. In the first paragraph, the underlined word “finless” means _____ in Chinese.

A. 有鳍的           B. 无鳍的

C. 温顺的

【回答】

1.选C。细节理解题。由第一段中的“. . . for over 20 million years. . . ”可知。

2. C。细节理解题。由Dangers部分所列出的三方面的危害可知不包含选项C(Swimmers)。

3. C。细节理解题。由图片中的“Weight: 30 kg~45 kg”可知。

4. A。细节理解题。由图片中所罗列出的两种主食(Main diet)可知。

5. B。词义猜测题。由第一幅图片中的“No fin on the back”可知。

知识点：说明文

题型：阅读理解