题目内容

封闭环是在装配过程中最后自然形成的尺寸，或者说是间接获得的尺寸。( )

A. 对
B. 错

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Questions 11 to 18 are based on the conversation you have just heard.

A. ＄8.
B. ＄7.
C. ＄4.
D. ＄3.50.

镗床经检查确认无误后，便可起动进行空载运转试验，起动后即可逐渐增加运转时间并提速。( )

A. 对
B. 错

The process called "hypertext" requires the use of a mouse device.

The World Wide Web is a network of computerized typewriters.