31.When heated, water changes into _______. A.solid B.vapour C.liquid D.air 32.What she achieved in her research might ...

41.As a chairman for nearly ten years, Professor Smith has never _______ to anything dishonest. A.beard B.attached C.gran...

Recent research has claimed that an excess of positive ions in the air can have an ill effect on people's physical or psy...

What we know of prenatal development makes all this attempt made by a mother to mold the character of her unborn child by...

Most of us are taught to pay attention to what is said—the words. Words do provide us with some information， but meanings a...

there be非谓语形式可在句中作主语、宾语、状语和定语。(其中作宾语和状语在1991年和1994年测试过，定语见1996年题10。) The students expected there to be more reviewing cla...

1. To shut your eyes to the facts,_A_many of you often do,is foolish. A.as B.what C.which D.that 2. ---What would...

独立主格、虚拟语气、非谓语动词、主谓一致、倒装 独立主格特征 1. 充当句子的状语。 2. 有自己的主语，同句子的主语不一致。 3. 名词(代词，形容词，副词，介词)+ 分词 4.　With + 名词 (代词) + 分词 (形...

限定词的用法 1. Both, each, either, neither (只指两个) 2. All, every, each, some, any, no (指两个以上) 3. Some, any, more, (the) mos...

过去分词与形容词的语义差： 1.Destructive:causing damage to people or things the destructive power of modern weapons Damaged: being...