重点知识讲解

1、.1. alive作形容词，意为“活着；有生气的，在句中可作表语、后置定语或宾语补足语。       表示“有生气的意思时，通常不用very修饰, 但可用much或very much修饰。【运用】完成句子1 他还活着使她感到惊异。It amazed her that he _ _ _.2 当今活着的最伟大的人物是谁？Whos _ _ _ _?3 医生们正在尽全力使她活下来。The doctors are trying their best to _ _ _.4 虽然我爷爷老了

2、, 但还很有生气。Although my grandfather is old, he _ _ _.2. till & untiltill和until都意为“到；直到，都可作介词和连词，一般情况下可以互换使用。假如主句为一般将来时、祈使句或含有情态动词的句子时，till和until引导的时间状语从句中通常用一般如今时代替一般将来时。在使用till和until时，我们需要注意以下两点：延续性动词的肯定式与till / until短语或其引导的时间状语从句连用时，表示该动作一直持续到till / until表示的时间为止。终止性动词的否认式与till / until 短

3、语或其引导的时间状语从句连用时，表示该动作直到till / until表示的时间才发生。not . till / until . 意为“直到才。【运用】. 单项选择1. I didnt realize he was a famous scientist _ you told me.A. until                      B. becauseC. s

4、ince 2019 湖南益阳2. I enjoy the countryside very much, so I am staying here _ next month.A. since                     B. tillC. before. 完成句子1. 直到中考完毕，李雷才轻松下来。Li Lei _ relax himself _ the s

5、enior high school entrance examination ended. 2019 四川宜宾2. 无论我们面临怎样的困难，我们必须坚持工作, 直到做完为止。We must stick to our work _, no matter what difficulty we are facing.3. 你不必今天把书还给我。假如你没看完，你可以借到下星期。You neednt return the book to me today. You may keep it _ if you havent finished reading it.4.

6、 每周日上午我到10点钟才起床。I _ every Sunday morning.5. 他把房门钥匙丢了。结果，他只好在外边等妻子下班回家。He had lost the key to the house, and as a result, he had to wait outside _.答案1. 1 was still alive  2 the greatest man alive3 keep her alive  4 is much alive2. 1-2 AB. 1. didnt; till / until2. till / until it is finished / we finish it 3. till /