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【单选题】
C89 语言中最简单的数据类型包括 ( ) 。
A.
整型、实型、逻辑型
B.
整型、实型、字符型
C.
整型、字符型、逻辑型
D.
整型、实型、逻辑型、字符型
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举一反三
【单选题】站姿礼仪操作标准要求站立时 头正、颈直、( )、臂垂、挺胸、收腹。
A.
婀娜
B.
肩平
C.
并腿
D.
美感十足
【单选题】润滑的作用有()、密封、减震
A.
传递动力
B.
减少磨损
C.
增强动力
【简答题】She did her best to _____________ her critics.
【简答题】什么叫润滑?润滑的作用有哪些?
【单选题】在柴油机中,润滑的作用有()。Ⅰ.防震Ⅱ.调整间隙Ⅲ.减磨Ⅳ.冷却
A.
Ⅰ+Ⅱ
B.
Ⅱ+Ⅲ
C.
Ⅲ+Ⅳ
D.
Ⅰ+Ⅳ
【单选题】What is the best choice for the following blank? She did her best to appear ________.
A.
to self-assured
B.
self-assured
C.
be self-assured
D.
to do self-assured
【简答题】家具的设计原则在()代达到鼎盛时期。
【单选题】下列说法不正确的是()。
A.
润滑系有清洁的作用
B.
润滑系有润滑的作用
C.
润滑系有冷却的作用
D.
润滑系有传热的作用
【单选题】How did the author react to Jennie's relationship with her boy friend?
A.
She tried her best to dissuade Jennie from continuing it.
B.
She threatened to break up with Jennie if her advice was ignored.
C.
She was overcome with pride that Jennie told her about her boy friend.
D.
She was very angry with Jennie for choosing such a friend.
【单选题】She did her best______ her ability.
A.
to improve
B.
improve
C.
improving
D.
improved
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