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问题 单项选择题

为了保证镗削后连杆轴承孔轴心线与连杆衬套孔轴心线的平行度，应当以（）。

A.连杆小头孔为定位基准

B.连杆大端孔为定位基准

C.加工后的连杆小端衬套孔和与其配合的活塞销为定位基准

答案

参考答案：C

单项选择题

数据传输速率是光驱的基本性能指针。现在常见的有40倍速，50倍速，52倍速...那么，这40倍，50倍，52倍是以（）为基准。

A.720KB/S

B.640KB/S

C.100KB/S

D.150KB/S
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单项选择题

A CFO who is a CFA Institute member is careful to make his press releases-some of them containing material and previously undisclosed information——clear and understandable to his readers. While writing a new release, he often has his current intern proofread rough drafts. He also sends electronic copies to his brother, an English teacher, to get suggestions concerning style and grammar. With respect to Standard Ⅱ (A), Material Nonpublic Information, the CFO is: A. not in violation of the Standard. B. violating the standard by either showing the pre-release version to his intern or sending it to his brother. C. only in violation by showing the pre-release version to the intern but not to a relative such as his brother.
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