气缸镗削前的定位基准主要有()、()、和()。

题型:填空题

问题:

气缸镗削前的定位基准主要有()、()、和()。

考点:机动车维修技术发动机结构与检修发动机结构与检修题库
题型:填空题
阅读填空。
以下五位同学正在谈论他们理想中的职业,请从方框中选择合适的词填空。(其中有三项多余)
A. an actor    B. a reporter     C. a chef (厨师)   D.  a pilot  
E. a dancer    F. an engineer   G. a basketball player    H. a driver
     I want to be  l          when I grow up. I will need good eyesight and I will have to take flying lessons. I
really enjoy traveling and I hope to see the world in the future.
     I want to be 2         when I grow up.  I'm going to study design and engineering in college.  My dream
is to build the longest bridge in the world.
     I want to be 3         when I grow up.  I'm going to take acting lessons, and maybe singing and dancing
lessons, too. I hope I can be famous one day.
     I want to be 4        when I grow up. I know that I have to train every day. It isn't easy, but I keep on
doing it. I want to be just like my hero, Michael Jordon, in the future.
     I want to be 5        when I grow up. I'm going to a cooking school in Europe. I hope I can work in a
five-star hotel in Beijing when I'm older.
题型:填空题

除病毒以外,生物都是由_____________构成的。

题型:填空题

---- Is that        pen?

----- No, It is        eraser.

A. a; a         B. a; an       C. /;an

题型:填空题

无线局域网所使用的扩频的主要方法是______和直接序列扩频。

题型:填空题

在INTERNET中传输的每个分组必须符合()定义的格式。

A.DOS

B.Windows

C.TCP

D.IP

更多题库