问题
选择题
圆锥体的截面不可能为[ ]
A．三角形
B．圆
C．椭圆
D．长方形
答案
答案：D
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圆锥体的截面不可能为[ ]
A．三角形
B．圆
C．椭圆
D．长方形
答案：D
There are 1 days 2 a week. They are 3 , Tuesday, Wednesday, Thursday, Friday, Saturday and 4 .Sunday is the first day 5 a week. Monday is the second day of a week. The last day of a week is Saturday. 6 China, people work 7 days a week. They go to work from Monday 8 Friday. They don’t go to work 9 Saturdays and Sundays . They stay 10 home.
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