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问题 单项选择题

SYWV-50-10天线馈缆装配时，馈缆外皮应脱去长度为（）

A、10mm

B、15mm

C、20mm

D、25mm

答案

参考答案：B

单项选择题

运输产品出现质量问题时()。

A.无法退换或修复

B.可以修复

C.重新生产

D.可以退换
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填空题
根据短文内容，从下面方框中选择适当的单词或词组填空。
organized,    recommend,    the best person for,
making a speech,    doing extra work for
    The Students' Union in our school needs a new chairperson. The headmaster asked us to 1.             who is
the most suitable for the post. We had a class meeting yesterday afternoon. We all consider that David is
2.             the post. He is very confident and he thinks he can do anything if he does his best. He is never afraid
of 3.              in front of the whole school. He is a helpful student and he often helps people in need. He never
minds 4.             other students. Besides, he has a good memory and he is 5.            . He won't forget to do
things he needs to do. We all think that David has all the qualities to be a good chairperson.
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