高一下册 unit4 复习.pptx

;;;;Ⅲ. 句式填空 1. 动词不定式作主语 “ To have been caught in a sandstorm (遭遇沙尘暴) was a terrible experience, ”he said. 2. make+宾语+宾语补足语(it作形式宾语) The storms sometimes continue all day and traffic moves very slowly because the thick dust makes it difficult to see (降低了能见度). ;3. 动词不定式作目的状语 To prevent it coming nearer (为了阻止它逼近), the government is planting trees. 4. can’t help but不得不做 I can’t help but feel (不得不感到) very concerned. ;5. if+形容词/副词 The garbage is then taken away and, if possible (如果可能的话), recycled. 6. get sb. to do sth. 让某人做某事 The “Green” movement tries to get governments to think seriously about (让政府认真思考) the environment and how to look after it. ;Ⅳ. 教材设题 1. They are often ______ thick that you cannot see the sun, and the wind is sometimes strong enough to move sand dunes. A. very B. such C. so D. quite 【解析】选C。考查so. . . that. . . 句型。句意: 沙尘暴经常很大以至于你看不到太阳, 风有时大到能移动沙丘。;2. Sandstorms in China appear ______ in recent years as a result of “desertification”. A. increasing B. having increased C. to increase D. to have increased 【解析】选D。考查非谓语动词。此处appear后面要跟动词不定式, 又根据in recent years可知increase这一动作在最近的几年已发生, 所以要用动词不定式的完成式。故选D。;3. ______ is dangerous to be travelling during a sandstorm. A. This B. That C. What D. It 【解析】选D。考查it作形式主语。此处it作形式主语, 真正的主语是后面的动词不定式即to be travelling during a sandstorm。;4. I ______ wonder what will happen. Which of the following is wrong? A. can’t choose but B. can’t help but C. can’t but D. can’t help 【解析】选D。考查固定短语。A、B、C三项都表示“不得不”, 它们的用法一样。 can’t help表示“不能帮助, 禁不住”。句意: 我想知道将会发生什么。;5. There are laws that do not allow ______ too much coal. A. people burning B. to burn C. people to burn D. burn 【解析】选C。考查allow的用法。allow用于allow sb. to do sth. 或allow doing。由此可知选C。;1. There is no need to ______ yourself with this matter; we’re dealing with it. A. provide B. concern C. content D. pres