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  3. PASSAGE TWO [br] What is the main idea of Para. 4?Formaldehyde’s pervasiveness a

PASSAGE TWO [br] What is the main idea of Para. 4?Formaldehyde’s pervasiveness a

游客2024-11-20  25
问题 PASSAGE TWO [br] What is the main idea of Para. 4?
选项
答案 Formaldehyde’s pervasiveness and solutions to this problem．
解析 第4段的内容包含两个方面：前两句举例简要说明甲醛在日常生活中无处不在(It’s everywhere)，后几句是专家给消费者的建议，告诉人们如何尽量减少和甲醛的接触。概括上述两个方面，可知本题答案为Formaldehyde’s pervasiveness and solutions to this problem。
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