A:基础相当薄弱
B:照搬苏联经验
C:强调政治导向
D:发展急于求成
Look, you can see many _________ in the pool. And here is some ________for you to keep them.
乞____ 渡____ 绕____ 偷____
气____ 度____ 晓____ 喻____
下列铁制品的防锈方法不合理的是( )