下面这个句子句末 “to”和“by”具体怎么理解An important factor in market-oriented economy is the mechanism by which consumer demands can be expressed and responded to by producers.

下面这个句子句末 “to”和“by”具体怎么理解An important factor in market-oriented economy is the mechanism by which consumer demands can be expressed and responded to by producers. where引导的句子句末什么时候加介词? 改成把子句和被子句 WHERE子句使用的索引和ORDER BY子句中所使用的索引不能并列. _more people like the form of energy in future remains to be seen .这个句子句首应该用..._more people like the form of energy in future remains to be seen .这个句子句首应该用什么连词?我觉得what和that中一个,但是不知道 句子句意 句子句意 英语句子句中词义解释和句子成分分析.技术高的进.Do I have to sound positive or optimistic?这个句子中sound是什么意思啊?翻译成听我觉得不通啊.句子成分也麻烦详说下. be+过去分词+不定式=it+be+过去分词+从句吗she put a piece of paper with her name and adress on it into a bolltle.和she tried to play jazz on it.和i sat down on one of those modern chairs with holes in it .这些句子句末有 on it 和 1聚集函数能否直接使用在SELECT子句,HAVING子句,WHERE子句,GROUP BY子句中?2WHERE子句与HAVING子句有何不同? 把子句改成被子句 调换句子句意不变. WHERE子句使用的索引和ORDER BY子句中所使用的索引不能并列.是看到有个教材上说了这么个话 什么情况下使用ORDER BY子句 数据库…SQL server ,where ,group by .order.by 子句的使用和联合主键的条件?怎样将多表联合? 在oracle中where 子句和having子句中的区别 小男孩放走了灰雀.被子句和把子句怎么改? 爷爷在屋子后面栽了苹果树（改成把子句和被子句）