问题
选择题
一个圆柱的高是底面直径的π倍,这个圆柱侧面的展开图是一个( )
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答案
答案:B
一个圆柱的高是底面直径的π倍,这个圆柱侧面的展开图是一个( )
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答案:B
选择正确的答语,填在括号中。 | |
( )1. Thank you for the gift. It's so nice. ( )2. Wish you good luck in the final exam! ( )3. My computer doesn't work. May I use yours? ( )4. Animals are our friends. We should protect them. ( )5. Remember to turn off the lights when you leave home.
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