水是宝贵的资源.下列有关水的说法中,不正确的是( )
A:工业用水应该循环利用
B:生活污水直接排放不会造成水污染
C:农业和园林浇灌用喷灌、滴灌可以减少大量用水
D:水被严重污染后会给人类带来灾难
_________ is really important ________ her to catch up with others.
—What should we do for the disabled children in the Children's Home?
—You're supposed to________ a study group to help them.
《三国演义》开篇便说:话说天下大势,分久必合,合久必分。1942年,民主人士黄炎培访问延安时,向***提到了中国历史存在“其兴也勃焉,其亡也忽焉”的周期律。以下说法中对两种观点评析正确的是( )