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WAtEr is A liquiD 为什么要加A 如果不加会变成什么

翻译为水是一种液体,liquid是名词,前面要有冠词,所以不能把a去掉

前者

小题1:D小题2:C小题3:B小题4:C小题5:A 试题分析:这篇短文主要讲述了水的三种状态及其在自然界的循环过程。小题1:根据第一段When it is a solid, it can be as hard as stone. 描述,结合常识可知当水是固体时,它被叫做冰,故选D,冰。小题2:...

应该是:Water is liquid and music is art.不用填冠词。表示物体和物质属性时不用加冠词。

until前面有个no是个not until的搭配 这个搭配很重要 意为直到……才

B

The Water Cycle Water on Earth is always changing. Its repeating changes make a cycle. As water goes through its cycle, it can be a solid (ice), a liquid (water), or a gas (water vapor). Ice can change to become water or water ...

C,非限制性定语从句 不用as是因为as的意义为,正如,而正如一种液体就有很多用处,这是说不通的

A 冷却 When water is cooled ,it starts to change from a liquid to a soild. 当水被冷却时,它开始由液态变成固态。

from 冰从水演变而来

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