在确定患者无呼吸,判断实施人工通气的时间不应超过()
A.15秒
B.10秒
C.20秒
D.5秒
E.30秒
参考答案:B
用所给单词的正确形式填空。
1. They are ______ to see each other. (please)
2. Eating ______ is good for us. We must eat more vegetables. (health)
3. Look at her ______ (colour) face. She must be badly ill.
4. We are celebrating my parents' 20 years of ______ (marry)
5. His father's ______ made them feel sad. (die)
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