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【单选题】
在心肺复苏过程中,应尽量减少中断胸外按压,中断胸外按压的时间A.
不超过10秒钟
B.
不超过5秒钟
C.
不超过20秒钟
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【简答题】A．Family members. B．Friends and colleagues. C．Parents and grandparents. D．Family and friends.
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【单选题】USD/JPY＝110.30 ~110.90 USD/CNY＝7.2651~7.2699 则CNY/JPY=
A.
110.30 ~110.90
B.
7.2651~7.2699
C.
15.182 ~15.254
D.
15.172~15.265
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