问题 单项选择题

下列的立体图形是立方体中挖出一个圆锥台孔后形成的,如果从任一面剖开,以下哪一个不可能是该立体图形的截面?

A.A 

B.B 

C.C 

D.D

答案

参考答案:D

解析:解析 A项是沿着上表面的对角线垂直下切割而成;B项是沿着上表面的中位线垂直下切而成;C项是水平切割该立方体而成。只有D项无法切割而成,故正确答案为D。 考点:空间-立体图形与其三视图

阅读理解

配对阅读。

( )1. Jane is a forty-year-old house wife. She is looking for a job. She can do nothing but clean the house

( )2. Xiao Zhao likes writing very much. She learns English at college. Now she is looking for a job during

            the summer vacation

( )3. Lucy's handbag was lost in the school library yesterday. Now she is very worried.

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           weekend.

( )5. Nancy likes children. She is a nurse. She has a one-week holiday. She wants to stay with children

           during these holidays

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单项选择题