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【单选题】
The passage supports which of the following statements about employees buying shares in their own companies?A.
At three different companies, approximately nine out of ten of the workers were eligible to buy shares in their companies.
B.
Approximately 90% of the ellgible workers at three different companies chose o buy shares in their companies.
C.
The opportunity to buy shares was discouraged by at least some labor unions.
D.
Companies that demonstrated the highest productivity were the first to allow their employees the opportunity to buy shares.
E.
Eligibility to buy shares was contingent on employees’ agreeing to increased work loads.
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】补体旁路激活途径中不包括（ ）
A.
C3裂解为C3a和C3b
B.
C4裂解为CAa和C4b
C.
C5裂解为C5a和C5b
D.
膜攻击复合物的形成
E.
过敏毒素的产生
【判断题】回弹法进行混凝土强度检测时，每一结构或构件测区数不应少于10个，对某一方向尺寸小于4.5m且另一方向尺寸小于0.3m的构件，其测区数量可适当减少，但不应少于5个。（）
A.
正确
B.
错误
【单选题】泵送混凝土制作的结构或构件的混凝土强度的检测时，如当碳化深度值不大于（），每一测区混凝土强度换算值应按《回弹法检测混凝土抗压强度技术规程》JGJ/T23-2001的相关要求修正；当碳化深度值大于（）时，可进行钻芯修正。
A.
2.0MM，2.0MM
B.
1.5MM，1.5MM
C.
2.5MM，2.5MM
【单选题】回弹法进行混凝土强度检测时，每一结构或构件测区数不应少于________个，对某一方向尺寸小于4.5m且另一方向尺寸小于0.3m的构件，其测区数量可适当减少，但不应少于5个。
A.
5
B.
10
C.
15
D.
30
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【判断题】回弹法进行混凝土强度检测时，每一结构或构件测区数不应少于10个，对某一方向尺寸小于4.5m且另一方向尺寸小于0.3m的构件，其测区数量可适当减少，但不应少于5个。（）
A.
正确
B.
错误