Event organizers have worked hard to __________ that the games will not pollute the environment.
A. assure
B. ensure
C. insure
D. reassure
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You are hired. Please __________ to the personnel office on April first at eight o'clock in the morning.
A. go
B. apply
C. write
D. report
根据所学音标，选择不同发音
A. wet
B. wind
C. yet
D. way
某C20混凝土柱子主筋为直径28mm的HRB335级钢筋,其现场连接时宜采用()。
A. 绑扎
B. 电渣压力焊
C. 套管挤压
D. 直螺纹
E. 电阻点焊
钢筋冷拉的目的是( )。
A. 提高钢筋强度
B. 调直
C. 节约钢材
D. 除锈
E. 增强韧性
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