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【单选题】
相对分子质量为72的烷烃异构体的构造只有一种溴代产物的是()
A.
2,2-二甲基丙烷
B.
正
C.
2-甲基丁烷
D.
3-甲基丁烷
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参考答案:
举一反三
【单选题】有关“表面结构”的基本概念,下列说法不正确的是()。
A.
为了保证零件的使用性能,在机械图样中需要对零件的表面结构给出要求
B.
轮廓算术平均偏差Ra它是在一个取样长度内,最大轮廓峰高与最大轮廓谷深之和
C.
表面结构就是由粗糙度轮廓、波纹度轮廓和原始轮廓构成的零件表面特征
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【单选题】belonging
A.
归属
B.
长度
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【判断题】Demonstrate relationships among concepts are not belonging to the cognitive methods.()
A.
正确
B.
错误
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【单选题】A webmaster is responsible______developing and maintaining the Web site belonging to an organization or company.
A.
on
B.
about
C.
for
D.
to
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【简答题】He had been an consultant for two years.
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【单选题】The pencil which you wrote just now me.
A.
in; belonging to
B.
/; is belonging to
C.
with; belongs to
D.
with; is belonged to
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【单选题】My brother _______ the army two years ago.He has ______ for two years.
A.
joined in ; joined
B.
joined ; been a soldier
C.
joined in ; become a soldier
D.
joined; joined in
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【单选题】Don’t take things________ others.
A.
belong to
B.
belonged to
C.
belonging to
D.
that belonging to
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【单选题】It is five years ____ he lived here.In other words, he left here five years ago.
A.
before
B.
since
C.
that
D.
when
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【简答题】https://www.wjx.cn/m/59826066.aspx
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相关题目:
【单选题】有关“表面结构”的基本概念,下列说法不正确的是()。
A.
为了保证零件的使用性能,在机械图样中需要对零件的表面结构给出要求
B.
轮廓算术平均偏差Ra它是在一个取样长度内,最大轮廓峰高与最大轮廓谷深之和
C.
表面结构就是由粗糙度轮廓、波纹度轮廓和原始轮廓构成的零件表面特征
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【单选题】belonging
A.
归属
B.
长度
查看完整题目与答案
【判断题】Demonstrate relationships among concepts are not belonging to the cognitive methods.()
A.
正确
B.
错误
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【单选题】A webmaster is responsible______developing and maintaining the Web site belonging to an organization or company.
A.
on
B.
about
C.
for
D.
to
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【简答题】He had been an consultant for two years.
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【单选题】The pencil which you wrote just now me.
A.
in; belonging to
B.
/; is belonging to
C.
with; belongs to
D.
with; is belonged to
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【单选题】My brother _______ the army two years ago.He has ______ for two years.
A.
joined in ; joined
B.
joined ; been a soldier
C.
joined in ; become a soldier
D.
joined; joined in
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【单选题】Don’t take things________ others.
A.
belong to
B.
belonged to
C.
belonging to
D.
that belonging to
查看完整题目与答案
【单选题】It is five years ____ he lived here.In other words, he left here five years ago.
A.
before
B.
since
C.
that
D.
when
查看完整题目与答案
【简答题】https://www.wjx.cn/m/59826066.aspx
查看完整题目与答案
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