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【简答题】
Think and choose. 给问句选答语。(只填序号) ( )1. Where is she? ( )2. What is it? ( )3. What's the fourth day of the week? ( )4. What's the date? a. It's a marker. b. She is in the library c. It's August first. d. Wednesday.
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如何制作自己的在线小题库
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刷刷题刷刷变学霸
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【简答题】给出下列四个命题: ①函数是定义域到值域的映射; ② f(x)= x-2 + 1-x 是函数; ③函数y=3x(x∈N)的图象是一条直线; ④已知函数f(x)的定义域为R,对任意实数x 1 ,x 2 ,且x 1 ≠x 2 ,都有 x 1 - x 2 f( x 1 )-f( x 2 ) <0 ,则f(x)在R上是减函数. 其中正确命题的序号是______.(写出你认为正确的所有命题序号)
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【简答题】简答语法规则的抽象性表现。
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【单选题】图1 轴系结构示例2、 如图1所示轴系结构,假设所有的圆角半径合适。以下对序号7处描述正确的是( )。
A.
正确,需要轴肩结构以定位轴承;
B.
错误,应该增加轴肩与轴承接触,且低于轴承内圈高度。
C.
错误,应该增加套筒来定位轴承,且套筒高度低于轴承内圈;
D.
错误,轴肩结构多余;
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【简答题】Listenandchoose. 听问句,选答语。( ) 1. A. It's a chair.( ) 2. A. I have two books.( ) 3. A. It has a mane.( ) 4. A. In a tree.( ) 5. A. Yes,it is. B. It's on the desk.B. Six erasers.B. It has a trunk.B. In a...
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【简答题】根据问题,选择合适的答语。 A.Yes, it is.B.No, it isn't.C.It's a pencil case.D.Hi, I'm Gina.E.I'm fine. Thanks.F.It's white.G.Spell it, please! 1. —What's this in English? —______.2. —Is this Jane's Jacket? — ___...
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【简答题】问句答语匹配。 ( ) 1. Who wants to go there? ( ) 2. Would you play the piano? ( ) 3. Do you wear pants? ( ) 4. What's this? ( ) 5. What's the temperature? A. It's a bus. B. Yes, I do. C. ...
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【简答题】听对话,选择正确的答语。 1. How do you go to school, Amy? [ ] A. By bus. B. On foot. C. By car. 2. How can I get to the Nature Park? [ ] A. You can go by the No. 11 bus. B. You can go by the No. 9 bus. C....
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【简答题】听句子,选答语。( ) 1. A. Not at all. I'd rather not. B. Not at all. I've no idea. C. Not at all. I'd love to.( ) 2. A. Bad luck! B. Best wishes to you!C. Congratulations!( ) 3. A. For 1973. B. By an American...
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【简答题】听录音,选答语。 ( ) 1. A. We have tomatoes. ( ) 2. A. It's Sunday. ( ) 3. A. I have onions. ( ) 4. A. They're sour. ( ) 5. A. Yes, I do. B. We have English class. B. I like Sunday. B. I'd...
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【简答题】有下列四个说法:①过三点确定一个平面; ②有三个角为直角的四边形是矩形;③三条直线两两相交则确定一个平面; ④两个相交平面把空间分成四个区域.其中错误说法的序号是______.
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