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【单选题】
数控机床( )以位移量和速度量为控制目标。A.
数控装置
B.
可编程序控制器
C.
伺服系统
D.
伺服电机
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】患者,男性,20岁,外伤后尿道滴血,并有排尿困难。体查:腹平软,腹部压痛、反跳痛不明显,会阴部、阴囊、阴茎部明显肿胀。首先考虑是()
A.
损伤
B.
输尿管损伤
C.
膀胱损伤
D.
前尿道损伤
E.
后尿道损伤
【简答题】患者，男性，20岁，外伤后尿道滴血，并有排尿困难。体查：腹平软，腹部压痛、反跳痛不明显，会、阴囊、阴茎部明显肿胀。首先考虑是A. 肾损伤B. 输尿管损伤C. 膀胱损伤D. 前尿道损伤E. 后尿道损伤
【简答题】称赞(speak开头短语)
【简答题】称赞:speak _____ of
【单选题】Lots o f people can speak more than o ne language. My besf friend, _________, can speak English and Spanish.
A.
new
B.
school
C.
for example
D.
indeed
【单选题】Which one of following statement is wrong?( )
A.
In western countries, drivers can speak on the mobile phone while driving.
B.
In western countries, when pedestrians are walking on zebra crossing, cars must stop.
C.
In western countries, you should chew with mouth closed.
D.
In western countries, before taking more food, you should finish what you have in your mouth.
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