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【判断题】
2015年国际心肺复苏指南推荐,成人心肺复苏时胸外按压的部位在心前区A.
正确
B.
错误
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皮皮学刷刷变学霸
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【简答题】Molly Leuschel
【单选题】What was Molly' s father afraid of?
A.
He suspected Molly wanted him to do something criminal.
B.
He believed Molly was trying to make him leave his wife.
C.
He feared he might lose his position as a doctor.
D.
He thought Molly would encourage his old bad habits.
【单选题】定轴转动刚体角动量守恒的充分而必要的条件是
A.
刚体受外力的矢量和为零
B.
刚体所受的合外力矩为零
C.
刚体所受的合外力和合外力矩均为零
D.
刚体的转动惯量和角速度均保持不变
【单选题】听力原文：M: Molly gave Lily flowers yesterday. W: Molly just did it for Henry. M: Why did he give flowers W: It's Lily's birthday yesterday. M: Are they on date W: I'm not sure. Who gave Lily flowers?
A.
Molly.
B.
Henry.
C.
Her boyfriend.
【简答题】Molly was a peasant girl. Her parents did not have much money and Molly did not have many nice clothes. One day Molly’s father said to her, “Molly, take this pot of milk to market and sell it. You may...
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