题目内容

生物在生长发育的不同阶段往往对生态因子及其强度有不同的需求，这是指生态因子的( )。

A. 非等价性
B. 互补性
C. 限定性
D. 不可替代性

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有效积温法则公式中，T0为( )。

A. 平均温度
B. 发育的时间
C. 有效积温
D. 发育起点温度

下列关于宪法的原则的表述，不正确的是（）。

A. 权力制衡原则最早体现在美国宪法中
B. 在我国，公民基本权利和自由是人民当家作主最直接的体现
C. 权力制约既包括公民权利对国家权力的制约，也包括国家权力对国家权力的制约
D. 在我国宪法中，权力制约原则主要表现为分权原则

甲明知乙所提供的五粮液为假酒，但还是买入，经查该酒确为假酒。下列选项中，表述正确的是（）。

A. 甲与乙之间的行为是无效民事行为，理由为欺诈
B. 甲与乙之间的行为是可撤销民事行为，理由为欺诈
C. 甲与乙之间的行为是无效民事行为，理由是法律禁止假酒流通
D. 甲与乙之间的行为是有效民事行为，理由是双方达成合意

A young man was called up for army service and had to go to be medically examined. The doctor (21) at a desk when he went (22) He said to the man, "Take your coat and shirt off, loosen(松开)your belt and sit on (23) chair."The young man did (24) The doctor looked (25) him for a moment without getting (26) from his chair and then said, “All right. (27) your clothes again” “ (28) you haven’ t examined me at (29) !" the young man said in a troubled (30) . “It isn’t (31) ,” the doctor said gently.” (32) I told you to take your coat and shirt off, you (33) me all right, so you aren’t (34) .You saw the chair I pointed (35) , so your eyesight’ s good enough (36) the army. You (37) to take your clothes off and to sit on the chair, so your body (38) be healthy, and you understood (39) I told you to do and did it without a (40) , so you must possess enough intelligence (智力) for the army." 23().

A. up
B. away
C. out
D. off