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【多选题】
影响切削力的因素有()
A.
切削速度
B.
工件材料
C.
切削用量
D.
刀具几何参数
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参考答案:
举一反三
【简答题】解释“M16 Ph3 P1.5-7g6g-L-LH”的含义。 表示双线细牙普通外螺纹,大径为____mm ,导程为 ____ mm,螺距为 ____ mm,中径公差带为7g,大径公差带为6g,____旋合长度,旋向为 ____ 旋。
【单选题】What can you expect from a one-star hotel?
A.
Guest rooms have basic facilities(a table, a chair and a bed) and daily room cleaning.
B.
Guest rooms have minibars, satellite TV, a safe deposit box and a big bathtub
C.
A Spa, a fitness center and a hotel bar.
D.
Guest rooms with comfortable beds, sofa, dressing tables, a balcony and a minibar.
E.
A business center with secretarial service
F.
A restaurant
【判断题】利润表也称损益表,是反映企业在一定期间内生产经营成果的财务报表。
A.
正确
B.
错误
【单选题】去除旧漆膜不需要佩戴的防护用品是( )。
A.
棉纱手套
B.
活性炭防护口罩
C.
安全鞋
【单选题】showing a practical idea of what you can expect
A.
outline
B.
distraction
C.
focus
D.
deadline
E.
realistic
F.
timeline
【单选题】听力原文:M: Hi, Helen. I didn't expect to see you here. How is it going these days? Your face looks pale. W: Yes, I am nearly worn out, I can't stand it any more. M: What's up? W: Being a working mother i...
A.
Because she was ill.
B.
Because she was in a bad mood.
C.
Because she was tired.
【多选题】编制综合法指数时,同度量因素的作用有( )。
A.
平衡作用
B.
同度量作用
C.
权数作用
D.
平均作用
E.
比较作用
【单选题】Solids can usually be turned into liquids and liquids into gases if we _____ their temperatures
A.
265. Solids can usually be turned into liquids and liquids into gases if we _____ their temperatures high enough. A.rise
B.
go up
C.
increase
D.
Raise
【单选题】______, liquids can be changed into gases.
A.
Heating
B.
To be heated
C.
Heated
D.
Heat
【单选题】下列关于数列 以 为极限的等价叙述是
A.
时, ;
B.
时, ;
C.
时,
D.
时,
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