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【单选题】
当任何一侧半轴齿轮的转速为零时，另一侧半轴齿轮的转速为差速器壳转速的几倍？A.
1
B.
2
C.
3
D.
4
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反馈参考答案：
举一反三
【单选题】17 The trials were stopped early because the treatments proved to be of no value
A.
Right
B.
Wrong
C.
Not mentioned
【单选题】某单位因特网的站点的URL地址为http://www.xyz.com.cn,那么该站点的域名是________。
A.
index.html
B.
com.cn
C.
www.xyz.com.cn
D.
http://www.abc.com.cn
【简答题】网球、羽毛球我都不行,可是经过半年左右的练习,现在已经打得很好了。
【单选题】According to the passage, it is difficult to interpret the results of certain treatments for SARS because______.
A.
patients were in different countries .
B.
patients were given medicines in widely different settings
C.
patients were at different stages of the illness
D.
these conditions had no standardized measurements or controlled situations
【简答题】氮质血症(azotemia)(名词解释)
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