题库
题库
A．man is covering huge areas with new kinds of plants
B．man is facilitating the spread of animals into new regions．
C．man is killing some species on a large scale
D．man is getting to know the importance of keeping the balance of nature．
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| 单选题 | To understand what true happiness is one must ____________ . | 查看答案 |
| 单选题 | Which of the following statements about microwave heaters would Buffler most probably agree with? | 查看答案 |
| 单选题 | Where can this passage probably be excerpted from? | 查看答案 |
| 单选题 | Mark | 查看答案 |
| 单选题 | The following examples except _______________ reflect man altering the balance of nature． | 查看答案 |
| 单选题 | What can be inferred from the seventh paragraph? | 查看答案 |
| 单选题 | The main idea of the passage is ______________． | 查看答案 |
| 单选题 | We make a nature sanctuary for rare birds but _______________. | 查看答案 |
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| 单选题 | Wendy | 查看答案 |
| 单选题 | What kind of equipment is NOT mentioned in this passage? | 查看答案 |
| 单选题 | What have spread diseases? | 查看答案 |
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| 单选题 | Jenny | 查看答案 |
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| 单选题 | According to the author, a bachelor resists marriage chiefly because ____________ . | 查看答案 |
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| 单选题 | Tom | 查看答案 |