目前民用高涵道比涡扇发动机常采用的起动方式是：（）.A.电起动_爱下问搜题

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问题单项选择题

目前民用高涵道比涡扇发动机常采用的起动方式是：（）.

A.电起动

B.空气起动

C.火药起动

D.小发动机直接带动起动

答案

参考答案：B

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.

名词解释

一真法界