创建省级生态县要求公众对环境的满意率达到什么要求?
参考答案:
达到90%以上。
I asked the girl ______. [ ]
A. which one she liked best
B. which one did she like best
C. which one she likes best
D. which one does she like best
用乳化剂清洗零件表面残存渗透液的基本原理是使()与不溶于水的()作用,使渗透液()从而易于被()洗掉