已知圆柱的底面半径为2cm，若圆柱的侧面积是20πcm2，则该圆柱的高为 ▲ ．
5
根据圆柱侧面积=底面周长×高，高=侧面积÷底面周长= =5
改错。
( ) 1. I can only play on the morning. ________________
A B C
( ) 2. Where are you going to? ________________
( ) 3. We are finding for food. ________________
( ) 4. Do your mother go to work by bike? ________________
( ) 5. She usually goes to the bed at nine o'clock. ________________
( ) 6. It's time for get up. ________________
( ) 7. Lucy eats the dinner at ten. ________________
( ) 8. My watch is broke. ________________
( ) 9. He goes out and his family. ________________
( ) 10. We don't go to school in Sunday. ________________
外阴癌常见的部位是（）
A.阴蒂
B.小阴唇
C.大阴唇
D. * * 周围
E.会阴后联合
=5
=5