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【单选题】
标注线性尺寸时,尺寸线应与所标注的线段平行。尺寸线
A.
能用其他图线代替
B.
必须单独画出
C.
可以与其他图线重合
D.
可以画在其他图线的延长线上
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【单选题】既能屈膝又能屈髓的肌是()
A.
股薄肌
B.
缝匠肌
C.
股四头肌
D.
半膜肌
E.
股二头肌
【单选题】T68镗床的主轴电动机M1采用了()的停车方法
A.
单相制动
B.
发电制动
C.
反接制动
D.
回馈制动
【单选题】T68 镗床的主轴电动机 M1 采用了( )的停车方法。
A.
能耗制动
B.
反接制动
C.
电磁抱闸制动
D.
机械摩擦制动
【简答题】继电保护的基本要求?
【单选题】She ______ by finding me a specially trained dog, which actually ______. [     ]
A.
helped me; cheered me
B.
helped me out; cheered me up
C.
helped me up; cheered me up
D.
helped me out; cheered me out
【单选题】She wasn’t very polite to me but I helped her.
A.
any way
B.
anyway
C.
at any way
D.
in a way
【简答题】对继电保护的基本要求?
【简答题】根据对继电保护的基本要求试分析供电线路过电流保护和电流速断保护有哪些相同之处?有哪些不同之处?
【单选题】听力原文:The medicine the doctor gave me seemed to have helped, but it's making me awfully drowsy. What's wrong with the medicine the doctor gave me?
A.
The medicine doesn't work.
B.
The medicine has nothing wrong.
C.
The medicine makes me sleepy.
【单选题】— Mary told me she would meet me at yesterday’s  party. But she didn’t turn up. — It is a pity that she broke her ________ .
A.
promise
B.
heart
C.
habit
D.
rule
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