《我的世界观》中，爱因斯坦的人生基本理念是（）。
A.人是为自己而生存
B.人是为别人而生存
C.人是为国家而生存
D.人是为爱人而生存
参考答案：B
—Do we have to finish writing the composition today?
—No, you ______. If you can hand them in tomorrow, it will be OK. [ ]
A. needn't
B. wouldn't
C. mustn't
D. shouldn't
功能止血的药物是
A．何首乌
B．熟地黄
C．三七
D．阿胶
