![](https://lstatic.shangxueba.com/sxbzda/h5/images/m_q_title.png)
下面为一简单的装配图,下列对装配图叙述正确的是()。
A.轴上支承的旋转零件为齿轮
B.支承轴的轴承为滑动轴承
C.该装置上采用了螺钉联接
D.旋转零件的右端用螺母作轴向固定
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)
A.轴上支承的旋转零件为齿轮
B.支承轴的轴承为滑动轴承
C.该装置上采用了螺钉联接
D.旋转零件的右端用螺母作轴向固定
第1题
第2题
A、A. gathers
B、B. gathered
C、C. is gathering
D、D. has gathered
第3题
A.rolling
B.roll
C.rolled
D.rolls
第5题
A、a stone that is rolling
B、a tramp
C、a disrespectable woman
D、a precious stone
第8题
The author's purpose in writing the passage is ______.
A.to help children to gain a better understanding of animal life
B.to prove that the saying "a rolling stone gathers no moss" is wrong
C.to introduce a particular animal to the common reader
D.to discuss with professionals the laziness of animals
第10题
The author's purpose in writing the passage is ______. ()
A.to help children to gain a better understanding of animal life
B.to prove that the saying "a rolling stone gathers no moss" is wrong
C.to introduce a particular animal to the common reader
D.to discuss with professionals the laziness of animals
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