2. 外语
  3. Complete the notes below. Write NO MORE THAN TWO WORDS for each answer. How to kill bad insects Chemical methods These solutions

Complete the notes below. Write NO MORE THAN TWO WORDS for each answer. How to kill bad insects Chemical methods These solutions

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问题 Complete the notes below.
Write NO MORE THAN TWO WORDS for each answer.
How to kill bad insects
Chemical methods
These solutions to insect problems often are not worthwhile because:
a)They are effective on a 【L36】______
b)They can bring harm to 【L37】______
c)Insects become 【L38】______to the chemicals quickly.
Biological methods
These methods are 【L39】______than chemical methods of eliminating insects.
Breeding control
In order to control the breeding of insects, one needs to understand the insects’ 【L40】______
【L37】
选项
答案humans
解析 humans本题原文中提到像DDT这种化学制品对环境会产生危害，随后提到常使用化学制品的农村地区也是世界上肝癌的高发病区。由此可见，化学制品除了对环境造成了影响，对人类身体也产生了危害。对应原文为：It’s no secret that the chemicals remain harmful to humans．只是该题题干形式稍微有所变化，但是bring harm to一词组与原文remain harmful to相匹配。如此答案就一目了然了，只是别忘了填写复数形式。
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