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【单选题】
幼儿生长发育时期所需的必需氨基酸共 种。A.
8
B.
9
C.
10
D.
12
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反馈参考答案：
举一反三
【单选题】以下说法中不正确的是哪一项?()
A.
警察缉捕犯人属于亲社会型攻击行为
B.
正当防卫不属于攻击行为
C.
弑杀儿童属于反社会型攻击行为
D.
只要是具备了意图、目的和行为这三个要素,攻击性行为就成立了
【单选题】今年3月21日，我市出现罕见的浮尘天气。环境监测中心报告，当天空气污染指数为270～290，首要污染物为可吸入颗粒物。依据下表判断，当天空气质量状况属于空气污染指数范围及相应的空气质量级别表 [ ]
A.
优
B.
良
C.
轻度污染
D.
中度污染
【简答题】One day I _________ a newspaper article about the retirement of an English professor at a nearby state college. A) came across B) came about C) came after D) came at
【单选题】According to the passage, which of the following is important in explaining a muscle movement?
A.
The flow of blood to the muscles.
B.
Classical conditioning.
C.
Protein interactions.
D.
The entry of unpleasant stimuli through the cell membrane.
【单选题】The school _____ I visited the other day was not the one _____ I once studied. [ ]
A.
that, where
B.
which, where
C.
where, which
D.
where, that
【简答题】《神农本草经集注》的作者及内容要点？
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