The author's primary purpose is to
A.answer a theoretical question about a phenomenon in the field of physics
B.discuss the current state of research concerning the phenomenon of cold fusion
C.resolve a research dispute in the field of physics
D.predict a crisis in scientific method for researchers of the cold fusion phenomenon
E.suggest reasons that experiments involving cold fusion phenomenon should not be trusted
第6题
女性体温随月经周期发生变动,可能与下列哪种激素有关
A.雌激素
B.黄体生成素
C.卵泡刺激素
D.甲状腺激素
E.孕激素
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