下列各组词语中,字形、词义解释全都正确的一组是()
下列各句,没有语病的一句是()
下列各句中,加点的成语使用恰当的一句是()
劲度系数为k的轻弹簧竖直悬挂,下端连接质量为m的小球,将小球在弹簧原长位置由静止释放,弹簧的最大伸长量为()
汽车运输石料时,石料能否高出槽帮?
A task of the post office staff is to_ (class) mail according to the places it is to go
For those involved, the scandal has been a very________(pain)experience
This advertisement is a___(type)example of their marketing strategy.
从局域网媒体访问控制方法的角度可以把局域网划分为CSMA/CD局域网和____局域网两大类。
In my opinion, they should do something to reward their most_ (produce) employees
People today are highly concerned about the quality of the air they___(breath).
产生感生电动势的非静电力是感生电场对电荷的作用力,产生动生电动势的非静电力是()
1mol单原子分子理想气体的温度从0℃升高到100℃,气体的热力学能增加了()