--- Alice is moving to her new apartment next Saturday． --- I would be glad to help her，________ need some help．
A．if she might B．if she will
C．if she D．should she
________that the government can clear up official corruption，we are________ about the future of our country．
A．Convinced；optimistic B．Convincing；optimistic
C．Convinced；pessimistic D．Convincing；pessimistic
General Secretary，Xi Jinping stressed that cross－strait cooperation would be strengthened________ the two sides could agree to oppose Taiwan independence．
A．unless B．even if
C．as long as D．until
－How did you find those days．
－The days________ we spent together on the farm are not easy________．
A．that；to forget B．when；to be forgotten
C．when；to forget D．that；to be forgotten
George once told me that he would visit our house，but，for various reasons，he ________so far．
A．didn't B．hasn't C．hadn't D．wouldn't
地球上的水资源是丰富的，但可利用的淡水资源却是有限的，因此在日常生活中我们必须节约用水。根据下面提供的信息，写一篇120词左右的短文，说明水的用处及我们应如何节约用水。
1．水对我们的日常生活非常重要，没有水一切生物都无法生存。
2．水可用来发电、灌溉农田，工业和交通运输也需要大量的水。
3．节约措施：
1）洗衣、洗菜水用来冲卫生间；
2）衣服尽量用手洗而不用洗衣机，因为洗衣机的用水量是手洗的三倍；
3）洗漱、洗衣服时不要让水一直流着。
4．参考词汇：灌溉irrigate 冲洗flush
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