2. 外语
  3. A. when your plane is about to land B. when you are taking tablets C. when you suffer from food-poisoning D. when you are travel

A. when your plane is about to land B. when you are taking tablets C. when you suffer from food-poisoning D. when you are travel

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问题 A. when your plane is about to land
B. when you are taking tablets
C. when you suffer from food-poisoning
D. when you are travelling
E. when you are packing for your tour
F. when you are having a cold
Special earplugs can make you feel better______.
选项
答案A
解析 文章第六段最后一句中提到，如果在飞机起飞和降落时出现耳痛症状，可以用装有填充物的特殊耳塞来减缓气压的变动率，故选A。
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