搜题请搜索小程序“爱下问搜题”
问题 单项选择题

( )包括各运动部件之间的相对运动精度，配合表面之间的配合精度和接触质量，这些装配精度将直接影响设备的运行质量。

A．基础的施工质量

B．测量装置的精度

C．设备内应力的影响

D．散装设备的装配精度

答案

参考答案：D

单项选择题

一般区域型或集中区域兼容型火灾报警控制器常采用()结构，适合安装在墙壁上，占用空间较小。

（A）卧式

（B）壁挂式

（C）琴台式

（D）立柜式
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完形填空

动词填空：用所给动词的适当形式填空。（共10小题；每小题0.5分，计5分）

小题1:I spend much time            ( practice ) speaking English every day. 

小题2:During Reading Week, John read more books than Daniel           (do).

小题3:Our Maths teacher            ( prepare ) the new lesson with other teachers now.

小题4:The doctor advised my mother            (run) for half an hour every day.

小题5:Betty, you made many mistakes.            (not be) so careless next time.

小题6:We all hope you            (take) the course in art next term.

小题7:During one part of the show the lights suddenly    (shine) on the seats for the most important guests.

小题8:Would you and your classmates like            (choose) Millie as your club leader?

小题9:Her mother will be very happy if she            (offer) to do the housework on Sundays.

小题10:Listen! The students in Class Eight            (plan) their school trip in the classroom.
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