问题
单项选择题
水泥保管时应注意防潮，存放袋装水泥时，地面垫板要距地（）以上。
A、50mm
B、100mm
C、200mm
D、300mm
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
水泥保管时应注意防潮，存放袋装水泥时，地面垫板要距地（）以上。
A、50mm
B、100mm
C、200mm
D、300mm
参考答案：D
| 选词填空。 | |
Linda is a __1__. She ___2___ sports ___3___ much.. She ___4____ a small __5____collection. She has three _6____ and four rackets. She plays sports __7__ day. She __8____ sports games on TV ,__9__. She likes basketball best. She wants to buy some ___10___ basketballs. |