轴承按摩擦性质可分为（）。A、滚动轴承 B、滑动轴承 C、轴向_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题多项选择题

轴承按摩擦性质可分为（）。

A、滚动轴承

B、滑动轴承

C、轴向推力轴承

D、圆柱轴承

答案

参考答案：A, B

完形填空

完形填空。

Dear Li Jing,
    My name   1   Jack Smith. I am from France and I   2   in Paris. I am twelve years   3 . I can   4   English
and French. From TV, I know China is a great   5  . I like China. I want a   6   pal in China. There are many
Chinese   7   France.    8   I don't have a Chinese friend. I want to learn Chinese, but I don't have any Chinese
books. Can you help    9  ?
    Please  10  to me soon.
                                                                                                                                                Richard

( )1. A. is
( )2. A. get
( )3. A. small
( )4. A. tell
( )5. A. country
( )6. A. pen
( )7. A. on
( )8. A. And
( )9. A. I
( )10. A. take

B. am
B. live
B. big
B. say
B. house
B. pencil
B. in
B. Or
B. my
B. let

C. are
C. bring
C. old
C. talk
C. park
C. ruler
C. at
C. But
C. mine
C. write

D. be
D. want
D. long
D. speak
D. city
D. book
D. of
D. Then
D. me
D. ask

单项选择题

《机动车安全技术检验报告》中，由（）逐项确认检验结果并签注整车检验结论｡

A、技术负责人

B、机构负责人

C、授权签字人

D、质量负责人