试题与答案

阅读理解。 Nora is an American girl. She stu

题型:阅读理解

题目:

阅读理解。

     Nora is an American girl. She studies in a middle school. She has a little sister. Her name is Kate. Kate

  is only four. Nora likes Kate very much.  

     Today is Sunday. Nora wants her pen. She takes out her pencil box. " Oh , dear! Where's my pen?"

 She can't find her pen. She goes to ask her sister in her bedroom.

     "Kate! I can't find my pen. Can you see……Oh, what are you doing with (用) my pen?"

     "I'm writing to my friend, Betty." Kate answers. "But how can you? You don't know what to write."

 "It doesn't matter (没关系). Betty can't read." Kate says.

1. Who are sisters? _____

    A. Nora and Kate.            

    B. Nora and Betty.

    C. Betty and Kate.            

    D. Nora, Betty and Kate.

2. _____can't find her pen.

    A. Kate      

    B. Nora      

    C. Betty      

    D. Nora's friend

3. Where is Kate? _____

    A. In the school.          

    B. In a shop.  

    C. In her bedroom.        

    D. In her father's car.

4. Which is not right? _____

    A. Nora finds her pen in Kate's room.      

    B. Kate can't write.

    C. Kate is writing with her sister's pen.      

    D. Betty is older than (比) Kate.

5. Betty and Kate are not _____.

    A. sisters        

    B. Americans      

    C. at home      

    D. schoolgirl

答案:

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下面是错误答案,用来干扰机器的。

由tanα=2,①2sinα-3sinα4sinα-9cosα=2tanα-34tanα-9=2×2-34×2-9=-1;②sin2α-3sinαcosα+1=2sin2α-3sinαcosα+cos2α=2sin2α-3sinαcosα+cos2αsin2α+cos2α=2tan2α-3tanα+1tanα2+1=35.

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