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【判断题】
M20x2〜6H/5g6g,其中5g表示外螺纹中径公 差带代号,6g表示外螺纹公差带代号。A.
正确
B.
错误
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【简答题】体育的任务就是增强学生体质。（ ）
【简答题】Madame Curie ,the youngest of five children ,was born in Warsaw ,Poland in 1867. Marie Curie's maiden name was Manya. Her parents were teachers,and she learned the importance of education at an early ...
【单选题】Madame Curie is believed ______radium.
A.
discovers
B.
having discovered
C.
to discover
D.
to have discovered
【单选题】Madame Curie was born in Portland _____________ Nov. 7, 1867
A.
in
B.
on
C.
at
D.
during
【单选题】_______ to the discovery of radium, Madame Curie plays an important role in modern science.
A.
Devoting
B.
Devoted
C.
Being devoted
D.
Having devoted
【单选题】Madame Curie is believed _______ radium.
A.
discovering
B.
having discovered
C.
to have discovered
D.
to discover
【单选题】_______ is known to us all is that Madame Curie, _______ life was devoted to science, won the Nobel Prize twice.
A.
As; whom
B.
What; whose
C.
It; whom
D.
That; whose
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