2. 职称英语
  3. Complete the notes below.Write NO MORE THAN TWO WORDS for each answer.How to k

Complete the notes below.Write NO MORE THAN TWO WORDS for each answer.How to k

游客2024-01-06  43
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】______ [br] 【L39】
选项
答案 cheaper
解析 cheaper本题题干只是换了一种说法，此外，通过题干可以预判此处应该填写形容词比较级形式，在听录音时，就要着重听比较级形式的词汇。原文：This is a cheaper alternative to chemicals．所以此处答案为cheaper。
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