2021.6.1-c1

question 16

• A) Many escaped from farms and became wild.

• B) They were actually native to North America.

• C) Many got killed in the wild when searching for food.

• D) They were hunted by Spanish and Russian explorers.

question 17

• A) They often make sudden attacks on people.

• B) They break up nature's food supply chain.

• C) They cause much environmental pollution.

• D) They carry a great many diseases.

question 18

• A) They lived peacefully with wild pigs.

• B) They ran out of food completely.

• C) They fell victim to eagles.

• D) They reproduced quickly.

Answer explanation

跟读下面的句子

the eagles began breeding on the island, and also feeding on a species of native fox. the foxes were almost wiped out completely.

翻译下面的句子

the eagles began breeding on the island, and also feeding on a species of native fox. the foxes were almost wiped out completely.

Answer explanation

这些鹰开始在岛上繁殖，也以一种本地狐狸为食。狐狸几乎被完全消灭了。