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【单选题】
产后出血是指阴道流血量在胎儿娩出后24小时内超过A.
300ml
B.
400ml
C.
500ml
D.
600ml
E.
700ml
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知识点：
皮皮学刷刷变学霸
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【简答题】“”期间,一伙在全盘否定十七年文学的同时还攫取了《 》《沙家浜》《 》等京剧改革成果,并将它们连同现代革命京剧《奇袭白虎团》《海港》,芭蕾舞剧《 》《 》,以及交响乐《沙家浜》等八个剧目封为“革命样板戏”。
【判断题】理想气体等温自由膨胀时，对环境没有做功，所以 -pdV = 0，此过程温度不变，∆U = 0，代入热力学基本方程dU = TdS - pdV，因而可得dS = 0，为恒熵过程
A.
正确
B.
错误
【单选题】The purpose of the last paragraph is to______.
A.
stress that Benjamin Franklin kept the interests of humanity constantly in mind
B.
remind the reader that Franklin remained productive all the way to the end of his life
C.
bring up the topic of Franklin's contribution to politics through the constitutional convention
D.
raise more facts to support the claim that Franklin was a genius
【单选题】Benjamin Franklin did not invent _____.
A.
Franklin stove
B.
bifocals
C.
lightning rod
D.
electricity
【简答题】benjamin franklin was a prose stylist whose writing reflected the romantic ideals of clarity, restraint, simplicity and balance.
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