《2025年启东中学作业本八年级英语上册译林版》

五、阅读理解。
There are many dolphins living in the sea near Qinzhou. Because of the dolphins, the small city becomes famous. Do you want to know more about dolphins?
Scientists agree that dolphins are very smart animals. They communicate well and learn quickly and effortlessly(轻松地). Dolphins live in all the oceans of the world but are found most often in the Atlantic and Pacific Oceans. They make their home in water but have to come to the surface to breathe. They have a slender body. There is a hole in the top of their head which is used for breathing. As we all know, they are often shown on TV as blue, but they're actually more of a grey colour with a white belly(腹部). They can be of different weights, from almost 50 kilograms to 6,000 kilograms! They eat a lot of fish and squid(鱿鱼) each day! They are very fast and powerful swimmers. They communicate and find their way around in the water, using clicking sounds and whistles.

(D)1. Dolphins are found most often in ____.
A. the Atlantic Ocean
B. the Pacific Ocean
C. all the oceans of the world
D. A & B
(C)2. The colour of dolphins is actually ____.
A. blue
B. grey
C. grey and white
D. blue and white
(D)3. Dolphins mainly live on ____.
A. salt water
B. fresh water
C. fish
D. fish and squid

答案： 1. D 【点拨】根据第二段第三句可知选D。2. C 【点拨】根据“but they're actually more of a grey colour with a white belly(腹部)”可知，海豚是灰色和白色的。故选C。3. D 【点拨】根据“They eat a lot of fish and squid(鱿鱼) each day!”可知，海豚主要以鱼和鱿鱼为食。故选D。