2. 外语
  3. This passage is mainly about________. If the drowning boy has no pulse, _______

This passage is mainly about________. If the drowning boy has no pulse, _______

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问题 This passage is mainly about________.
If the drowning boy has no pulse, _______
选项 A、pressing his chin upwards is enough to get him breathing
B、blowing air into his mouth is sure to save his life
C、pressing his nostrils together with your fingers can work
D、pressing is the last chance of saving his life
答案D
解析 由文章第二段最后一行"you can feel no pulse，then pressing is the last chance of saving his life．”可知本题答案为D。
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