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【多选题】
预制桩制作时,要求( )。
A.
桩身混凝土强度等级不应低于 C20
B.
混凝土宜用机械搅拌,机械振捣
C.
浇筑时尖向桩顶连续浇筑捣实
D.
一次完成,严禁中断
E.
养护时间不少于 14d
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【单选题】5-7岁的儿童处于手工的( )发展阶段。
A.
无目的活动期
B.
图式期
C.
象征期
D.
样式化期
【单选题】It can be inferred from the second paragraph that ______.
A.
the regulatory approval is limited with respect to the scope of application
B.
the life expectancy will not be improved compared with that indicated by the current record
C.
America's Food and Drug' Administration gave its approval to a new type of artificial heart
D.
Doctors will implants the new device in patients whose hearts are about to fail
【单选题】Oligopoly is an industry composed of a_________ number of large firms.
A.
large
B.
big
C.
limited
D.
reasonable
【单选题】资源动员理论属于社会运动理论发展的哪一个阶段?
A.
文化分析阶段
B.
非理性假设阶段
C.
理性假设阶段
D.
社会建构阶段
【单选题】5岁的儿童处于( )阶段。
A.
婴儿期
B.
幼儿前期
C.
幼儿期
D.
新生儿
【单选题】资源动员理论属于社会运动理论发展的哪一个阶段?
A.
文化分析阶段
B.
理性假设阶段
C.
社会建构阶段
D.
非理性假设阶段
【单选题】Which of the following statements, according to the passage, is NOT true? A.A.limited water supply will affect industrial production.
B.
Every large city purifies and reuses its water.
C.
Purified water is not exactly as fresh as spring water.
D.
Oceans are the largest water source.
【判断题】中国传统文明中有很强的定居、安居意识。()
A.
正确
B.
错误
【多选题】影响沥青路面压实的主要因素有()
A.
压实温度
B.
沥青用量
C.
碾压速度
D.
假压遍数
【简答题】According to some nutrition researchers, the vegetable prescription program will have limited effect on obesity if carried out______.
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