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【单选题】
书中 P92 图 2-50 中,的局部实际尺寸必须在()范围内
A.
φ6.0~φ6.55
B.
φ6.45~φ6.6
C.
φ6.5~φ6.65
D.
φ6.5~φ6.6
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举一反三
【单选题】起动机作空载试验时,若电流和转速都小,说明电路存在( )。
A.
短路故障
B.
断路故障
C.
接触电阻大
D.
接触电阻小
【单选题】—  Bob feels really sorry, Jean. — _____. I wouldn't accept his excuse unless he takes back what he said. [     ]
A.
What for
B.
So what
C.
No doubt
D.
No wonder
【单选题】长骨生长的部位是在
A.
皮质
B.
中下段
C.
干骺端
D.
中段
E.
髓质
【单选题】长骨生长的部位是在()
A.
干骺端
B.
中段
C.
髓质
D.
皮质
E.
中下段
【单选题】It's true, if Ms. Presson is accepted into law school, then you know she had to have very good grades. And I'm telling you, you should see her transcript; she's made straight As for the past two years...
A.
affirming the consequent
B.
denying the antecedent
C.
undistributed middle fallacy
D.
confusing explanations with excuses
E.
equivocation
F.
composition
G.
division
H.
miscalculating probabilities
【单选题】长骨生长的部位是在
A.
髓质
B.
皮质
C.
干骺端
D.
下段
【单选题】I wouldn't doubt_____________she would want to help.
A.
whether
B.
that
C.
since
D.
as
【简答题】单句改错 ( 每句仅 1 处错误 ) 1 . There is no doubt whether global warming is a security threat to us all. 2 . They have retrained the number of young technicians for our factory. 3 . Much damage has done to the...
【判断题】珠心的中央发育形成胚囊,成熟胚囊中含有的1个卵细胞和2个极细胞分别与1个精子结合,发育形成胚和胚乳,称双受精,是被子植物有性生殖的特有现象。
A.
正确
B.
错误
【单选题】长骨生长的部位是在( )。
A.
干骺端
B.
中段
C.
髓质
D.
皮质
E.
骨干
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