人体的热能来源于膳食中蛋白质、脂肪和碳水化合物,它们在体内的产热系数分别为()
A. 4kcal/g、9kcal/g、9kcal/g
B. 4kcal/g、9kcal/g、4kcal/g
C. 9kcal/g、4kcal/g、4kcal/g
D. 4kcal/g、4kcal/g、9kcal/g
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The author's primary purpose in the passage is to______.
A. clarify the kinds of understanding an adolescent must have in order to develop a political ideology
B. dispute the theory that a political ideology can be acquired during adolescence
C. explain why adolescents are generally uninterested in political arguments
D. suggest various means of encouraging adolescents to develop personal political ideologies
Which of the following events was the revival of classical literature and artistic styles in European history
A. The Enlightenment.
B. The Glorious Revolution.
C. The Restoration.
D. The Renaissanc
根据《宪法》,下列有权提议修改宪法的主体是()。
A. 中共中央
B. 全国人大常委会
C. 国家主席
D. 全国人大主席团
在线调查用户对啤酒的口味时,对“这种啤酒很清纯吧!”和“这种啤酒是清纯还是很浓郁?”两种提问方式的评价正确的选项是( )。
A. 前者较好,因为这种提问方式切入主题,有利于得到准确的调查答案
B. 后者较好,因为这种提问方式给用户一个自主选择的空间,有利于得到准确的调查答案
C. 两者各有千秋
D. 上述说法均正确