初中完型填空You cannot see (1) feel it when it is a part

初中完型填空You cannot see (1) feel it when it is a part

You cannot see (1) feel it when it is a part of the air. The water in the seas,rivers and lakes is liquid(液体). The water in the air is not a liquid (2) a gas. Clouds are made of water. They may be made of very small drops of water. water,you have (3) ,is very useful 1.A.and B.or 2.A.but B.and C.also 3.A.found b.found out C.looked for D.founded 当它是空气的一部分的时候,你不能看,或者感觉它.选A,是否定can not ,当并且的否定的时候,不能用and ,必须用or.the water in the air is not a liquid but a gas.选A,空气中的水不是液体,而是气体.否定句中的不是……而是,要用but,类似not only ...but also...这个句型.water,you have (3) ,is very useful 选A水,你可以发现,非常有用.B,找出,查明C.寻找D,建立的过去时,found是建立的意思,加ed,建立的过去式.======以下答案可供参考======供参考答案1:A看不到也感觉不到,而且句子是肯定句,所以要用and,or多用于否定句或疑问句.A不是种液体而是种气体,转折了要用but.A.云是由水构成的,它们或许是以非常小的水滴(水分子)集聚而成的,水,你能够发现,它是非常有用的.

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