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1、Unit 9 Different Ways Lesson 3一大声读单词1. library n. 图书馆2. go fishing 去钓鱼3. stay up 不睡觉，熬夜4. tonight n. 今晚，今夜二重点词汇1. library 要点：n. 图书馆, 藏书室, 库 public library 公共图书馆 a circulating library 流动图书馆a free library 免费图书馆2. go fishing 去钓鱼3. stay up 不睡觉，熬夜4. tonight 要点：n. this night or the night of this day. 今晚:
2、这个晚上或今天的夜晚adv. 今晚，今夜We are going to a party tonight. 我们今晚要参加一个聚会。I hope that tonight will be dry. 我希望今晚天气枯燥点。三重点解析：therefore, also, however的用法。1therefore 因此，所以。连接从句，后面一定要有完整的句子成分。作用相当于and， 表示一定的因果关系。例如：He heard a cry for help, therefore (and) rushed out of the house. I do not know much about China,
3、therefore I cant advise you about it.在正式英语中可用therefore来代替so。它可位于一个从句之前、该从句的第一个词或第一个短语之后、或该从句的主要动词之前： There is fog at Heathrow；the plane，therefore，has been diverted/the plane has therefore been divertedtherefore the plane has been diverted. 希思罗机场有雾；因此飞机转飞别的机场了。2) however 用作副词，可位于形容词副词之前：You couldnt e
4、arn much，however hard you worked无论你干得多卖力，你都挣不了多少钱。 用作连词，通常意为“但是，可位于它所引导的从句之前或之后，或位于第一个词或短语之后：Ill offer it to Tom, However，he may not want it. He may not want it however.我将提出把这个给汤姆，然而他可能不要它。Tom，however，may not want it而汤姆可能不要它。If，however，he doesnt want it. 然而，万一汤姆不要它的话但提到两句意义相反的话时， however意为“但是仍然同样，相当
5、于but：They hadnt trained hard，buthowever they won however他们并没有刻苦训练，但无论如何获胜了。3also：用于肯定句，表示前者怎样后者也怎样。其位置大多放在be动词、助动词、情态动词之后，实义动词之前also用于实义动词之前They also agree with me. 他们也同意我的看法。also用于be动词之后I was also there. 我也在那儿。also用于第一个助动词之后His sister has also gone to town. 他的妹妹也到镇里去了。also有时放在句子的最前Also, some studen
6、ts were tempted to add written comment of their own throughout the paper. 一些学生也试图通过论文写出他们自己的评论。注意：also一定不能放在句子的最后。参见：柯林斯COBUILD英语用法词典但是赵振才教授在他的英语常见问题解答大词典中列举了美国英语关于also放在句末的例子。I must buy some bread also. 我还必须买一些面包。They know him and I know him also.参见：赵振才英语常见问题解答大词典The son had gone also. 儿子也走了。参见：张道真现代英语用法词典总之，学生们只要在阅读是不要少见多怪就好了，但自己的作文中最好不要这样表达，以求保险。
