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
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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
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
配对阅读。
( )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.
( )4. Mike is a seven-year-old boy. He likes animals very much, and he goes to the zoo with his mother every
weekend.
( )5. Nancy likes children. She is a nurse. She has a one-week holiday. She wants to stay with children
during these holidays
A. Found. A red lady's handbag was found in the school library. Please come to the teachers' office to take
it back
B. People's Zoo. Do you like animals? Do you want to make friends with these lovely pandas? Come here!
We have an animal show this weekend.
C. CLEANER WANTED. Can you make a large house clean and tidy? If you want to get the job, please call
8866380. 50$ a day.
D. SUMMER JOB. Is your English good? Do you like writing stories? If you want to work as an English
reporter, please call 8566754.
E. DANCING CLUB. Are you interested in dancing? Come to our club. We hate the best dancers in our city.
We are waiting for you.
F. WANTED. Are you hard-working? Do you like to meet people? If your answer is "Yes", come to join us
as a waiter. Call 8657389.
G. BABY-SITTER WANTED. Do you like babies? Can you look after a two-year-old baby for five days?
If you are sure to take good care of it, call us at 8766558. $500 or more.