水压机的工作循环一般包括停止、充液过程、（）及回程四个过程。_爱下问搜题

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问题单项选择题

水压机的工作循环一般包括停止、充液过程、（）及回程四个过程。

A、提升行程

B、压缩行程

C、工作行程

D、空行程

答案

参考答案：C

完形填空

完形填空。

     Mary Smith    1   a girl.    2   is a student.    3   is    4   family name and Mary is her    5    name.
Her    6    number is 806-8027 and her ID card number    7    8283928655. Her mother    8   a worker
(工人). She and    9   mother    10   in China (中国) now (现在).

(   )1. A. am
(    )2. A. she
(    )3. A. Mary
(   )4. A. her
(   )5. A. family
(   )6. A. phone
(    )7. A. is
(    )8. A. are
(    )9. A. her
(   )10. A. be

B. are
B. She
B. Smith
B. she
B. last
B. ID
B. am
B. is
B. Her
B. am

C. is
C. He
C. Mary Smith
C. she's
C. middle
C. bus
C. are
C. am
C. his
C. is

D. aren't
D. I
D. Smith Mary
D. his
D. first
D. card
D. am not
D. aren't
D. His
D. are

判断题

在领导下达命令后，对于在自己能力范围之外的困难，应提请领导协调别的部门加以解决。