2020届上海市杨浦区高三一模考试英语试题 Word版含解析

杨浦区2019学年第一学期高三模拟质量调研

英语学科试卷

Ⅱ. Grammar and Vocabulary

Section A

Directions: After reading the passage below, fill in the blanks to make the passage coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanks, use one word that best fits each blank.

Killer Rabbits

You’d never think of rabbits as dreadful, destructive creatures, would you? Rabbits are cute and love-able. However, Australians discovered ___1___ harm these cute creatures can do the hard way.

Rabbits were introduced to Australia in 1788 as food animals. By 1827, they were running around large estates, and in 1859, disaster struck. A man released 12 wild rabbits onto his property for hunting and he ____2____ have thought that was harmless fun. But Australia has no predators（捕食者）___3___ (adapt) to killing rabbits and none of the diseases that kept their populations ____4____ control in Europe. The loose rabbits bred like, well, rabbits, and began to take over the countryside. Within a few decades, there were millions. By 1950, there were 600 million rabbits in Australia.

Six hundred million hungry rabbits could do real harm. They caused more damage than any other species introduced to the continent. They ate native plant species ____5____ they disappeared. They competed for food and shelter with native animals. they caused the extinction or endangerment of numerous plant and animal species. And they were a nightmare for cattle and sheep farmers, ____6____ animals couldn't get enough grass to eat and starved.

The rabbits did some good, of course. They provided food for poor families. They supported fur industries. But their impact on the environment and major livestock economy was too negative ___7___(ignore). People tried trapping them. They even built a huge wall against them. But ____8____(effective) weapon was a virus.

____9____(test) multiple times, the deadly myxoma virus was released on Australia's rabbits in 1950. The virus had been developed very carefully to affect only rabbits. Nearly 100 percent of the rabbits who caught the disease ____10____(die).Populations fell. It was a huge success. Cattle and sheep farming recovered gradually, and threatened plants were better protected. Eventually, rabbits became resistant to the virus.

【答案】1. what

2. must 3. adapted

4. under 5. until

6. whose 7. to be ignored

8. the most effective

9. Having been tested

10. died

【解析】

本文是一篇说明文，介绍了兔子对澳大利亚的环境和畜牧业造成的影响以及当地的应对措施。