有關英語專八改錯考前突擊訓練

　　英語專八改錯考前突擊訓練（23）

　　Most people would describe water like a colorless liquid. They __1__

　　would know that in very cold conditions it becomes a solid called

　　ice and that when heating on a fire it becomes a vapor called steam. __2__

　　However, water, they would say, is a liquid. We have learned that water consists of molecules composed with two atoms of hydrogen __3__

　　and one atom of oxygen, which we describe by the formula H2O.

　　This is equally true of the solid called ice and the gas called steam.

　　Chemically there is no difference between the gas, the liquid, and

　　the solid, all of which is made up of molecules with the formula H2O. __4__

　　This is true of other chemical substances; most of them can exist as

　　gases or as liquids or as solids. We may normally think of iron as a

　　solid, but if we will heat it in a furnace, it will melt and become a __5__

　　liquid, and at very high temperatures it will become a gas. Nothing

　　very permanent occurs when a gas changes into a liquid or a solid.

　　Everyone knows that ice, which has been made by freezing water,

　　can be melted again by warmed and that steam can be condensed __6__

　　on a cold surface to become liquid water. In fact, it is only because

　　water is so a familiar substance that different names are used for __7__

　　the solid, liquid and gas. Most substances are only familiar with __8__

　　us in one state, because the temperatures requiring to turn them __9__

　　into gases are very high, or the temperatures necessary to turn them

　　into solids are so low. Water is an exception in this respect, which

　　is another reason why its three states have given three different names. __10__

　　參考答案及解析:

　　1. 改like為as

　　describe sth as sth 是把……描述成……的意思。

　　2. 改heating為heated

　　在時間，條件，讓步等狀語從句中，當從句主語和主句主語是一致的時候，可以將從句的主語和be的'變化形式省略。

　　3. 改with為of

　　be composed of 意思為包括，由……組成

　　4. 改is made up 為 are made up

　　which 指代上文中的 the gas， the liquid，and the solid，表示復數概念，所以要用are

　　5. 將第一個will去掉

　　在時間條件狀語從句和條件狀語從句中要用現在時表示將來時。

　　6. by改為when

　　when warm 相當于 when it is warmed

　　7. 改so為such

　　8. 改with為to

　　短語familiar to 后面才能接某人 familiar with 是接sth

　　9. 改requiring為required

　　過去分詞短語作后置定語時，和被修飾的名詞時邏輯動賓關系。

　　10. have 后加 been

　　動詞give和主語three states 是動賓關系

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