题目内容

Fill in the blanks with the given words. Change the form when necessary.1 It is required that everyone____(report) his or her body temperature everyday.2 She insisted that he _____ ( be ) wrong.3 His remarks suggested that he ___________ (misunderstand) my position on the question.4 The expression on his face suggests that he _____ ( know ) it.5 To master Mandarin, I strongly suggest you______ (practice) with Chinese people.

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《混凝土结构设计规范》规定混凝土立方体抗压强度标准试件尺寸?

A. 边长100mm立方体
B. 边长150mm立方体
C. 边长200mm立方体
D. 边长250mm立方体

混凝土测试试块的养护时间为( )

A. 7天
B. 14天
C. 20天
D. 28天

关于混凝土强度的说法,正确的是( )

A. 试件尺寸越小,测得的混凝土强度越小
B. 养护龄期越短,测得的混凝土强度越低
C. 加荷速度越快,测得的混凝土强度越小
D. 水灰比越大,测得的混凝土越高

边长为100mm的非标准立方体试块的强度换算成标准试块的强度,则需乘以换算系数

A. 1.05
B. 1.0
C. 0.95
D. 0.9

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