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【简答题】
扩音器插头为圆柱形,其横截面半径r=0.15cm,长度h=4cm. 为了提高其导电性,需要在这个圆柱的侧面镀上一层0.001cm的铜,问约需要多少克铜?(铜的密度为8.9g/cm 3 .)
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【单选题】-- Have you watched the movie Kung Fu Panda 3 , Kelly? -- Not yet. I _____it with my classmate tonight. A. will watch B. was watching C. is climbing
A.
will watch
B.
was watching
C.
is climbing
【判断题】Kelly is watching a baseball game.
A.
正确
B.
错误
【单选题】听力原文:W: Hi, Mr. Adams? M: Ah, Yea. You must be Kelly. Thanks for coming. W: Here's my card. M: Oh, the entrepreneurial spirit. It is hard to find a good babysitter on a Friday night. W: Well, I like w...
A.
The girl arrives promptly on time.
B.
The girl carries her own business cards.
C.
The girl comes prepared to cook for the kids.
D.
The girl reaches his house ahead of time.
【单选题】社会主义核心价值观中,深刻回答了培育什么样的公民的是()。
A.
富强、民主、文明、和谐
B.
自由、平等、公正、法治
C.
正义、善良、孝悌、勇敢
D.
爱国、敬业、诚信、友善
【单选题】听力原文:W: Hi, Mr. Adams? M: Ah, Yes. You must be Kelly. Thanks for coming. W: Here's my card. M: Oh, the entrepreneurial spirit. It is hard to find a good babysitter on a Friday night. W: Well, I like w...
A.
On a Friday night.
B.
On a Sunday morning.
C.
Every Saturday evening.
D.
Not decided yet.
【单选题】除了细胞核外,含有DNA分子的细胞器是( ) A. 线粒体 B.内质网 C.核糖体 D.溶酶体
A.
线粒体
B.
内质网
C.
核糖体
D.
溶酶体
【判断题】双方或多方事故,应拍摄三者车的“交强险标志”(正面及背面)或交强险保单( )
A.
正确
B.
错误
【简答题】机械加工中工件表面层残余应力产生的原因是什么?
【单选题】除了细胞核外 , 含有 DNA 分子的细胞器是
A.
线粒体
B.
内质网
C.
核糖体
D.
高尔基体
【单选题】听力原文:M: You must be Kelly. Thanks for coming. It's hard to find a good babysitter on a Friday night. W: I like watching kids, and I need the extra money. I'd like to talk to you about my new rate incr...
A.
She is asking for a higher pay.
B.
She is introducing a new friend.
C.
She is too busy.
D.
She's got some problems.
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