Wordsandexpressions

1、Words and expressionscome up【寓词于境】 阅读下列句子，并试着总结come up在句中的含义及用法。1. The final exam is coming up soon. Its time for us to start our studies.2. Come up to the front of the room, please.3. The seeds come up in spring.4. A few new questions came up at the meeting.【自我归纳】 come up意为：_（句1）；_（句2）；_（句3）；_（句4），

2、用主动语态。【拓展】 come up with意为“提出，想出”。如：He came up with a new suggestion.【联想】 含come的其他短语：come about发生，造成 _跟着来，到来_ 谈到，涉及_ 出版_ 快点吧；得了吧（表示知道某人所说的话不正确）【即学即练】 从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。1. Now, where is my purse?_! Well be late for the picnic. A. Take your timeB. Dont worryC. Come on D. Take it easy2. Its a

3、lready 10 oclock. I wonder how it _ that she was two hours late on such a short trip. A. came over B. came out C. came aboutD. came up3. Most of us know we should cut down on fat, but knowing such things isnt much help when it _ shopping and eating. A. refers to B. speaks of C. focuses on D. comes t

4、o 4. The seeds I sowed last week havent _ yet.A. come up B. come aboutC. come out D. come onplay a part (in)语境展示 阅读下列句子，注意play a part (in) 的意思。1. Nowadays English plays an important part in our daily communication.2. He played the part of the prince in our school play.自我归纳play a part (in)的意思是_（句1）;

5、_（句2）。联想 类似的短语是play a role (in)。即学即练 翻译下列句子。1. 勇气对说好英语起着很重要的作用。2. 他在剧中扮演主角。Request寓词于境 阅读下列句子，注意request的词性及用法。1. He went to Jinan at the request of his manager.2. May I request you to stop talking?3. She requested that we should go home right now.自我归纳a. request作_词（句1），常见短语是at the request of / at sb.

6、s request，意思是_；b. request作_词（句2、句3），常构成短语request sb. to do sth.，意思是_；c. request后可接从句，从句中的谓语动词用should + 动词原形，should常可省略。即学即练 根据括号内的提示完成句子。1. I requested that nobody _ (上课迟到) tomorrow.2. The president attended the meeting _ (应我们的要求).Base【寓词于境】 阅读下列句子，并试着总结base在句中的词性、含义及用法。1. I based hopes on the news

7、we had yesterday.2. This novel is based on historical facts.3. The base of the house is strong.4. Karl Marx made London the base for his revolutionary work.5. The air base was attacked by the enemy.【自我归纳】 base作_词，意思是_（句1和句2），常用短语是：base sth. on / upon sth.，常用其被动形式be based on / upon。base作_词，意思分别是_（句3）

8、；_（句4和句5）。【即学即练】 用base的适当形式填空。1. This book _ on a true story.2. Mary always _ her ideas on scientific experiments.3. There is a door at the _ of the tower.Straight寓词于境 阅读下列句子，注意straight的词性及用法。1. Her sister is a girl with straight black hair.2. Go straight ahead along the road and you will find the c

9、inema.3. Without wind the smoke rose straight up.自我归纳straight作_词（句1），意思是_; 作_词（句2和句3），意思是“不拐弯地，笔直地，直地”。注意 straight既是形容词，也是副词，副词与形容词同形。拓展 straighten v. 使变直。如：I straightened my tie and walked in.即学即练 翻译下列句子。1. 放学后直接回家来。2. 他累得走都走不直了。3. 他们坐在一条直线上。Recognize寓词于境 阅读下列句子，注意recognize的用法。1. I can hardly recog

10、nize my classmate after five years.2. The United Nations recognized the new government.3. We recognized him to be a great man.4. White Pollution is recognized as one of the serious problems.自我归纳recognize 的意思是_（句1），_（句2）;常见短语recognize sb. as / to be 的意思是_（句3、句4）。联想 类似的短语是consider . as / to be。即学即练 根据

11、括号内的提示完成句子。1. Oh, its you! I _ (没有认出) you.Ive just had my hair cut, and I am wearing new glasses.2. Tom _ (被认为是) the tallest boy in our class.Because of【寓词于境】 阅读下列句子，并试着总结because of在句中的含义及用法。1. Because of the heavy rain, we had to stay at home.2. I bought this dress because of its beautiful color.3.

12、 They didnt climb the mountain because of the rain【自我归纳】 because of意为“因为”，后跟_或代词。【联想】 because也意为“因为”，是连词，后接从句。如：He was worried because he hadnt had any letter from his son.【即学即练】 根据汉语提示，完成下列句子。因为污染严重，许多美丽的鱼正在迅速消失。Many beautiful fish are fast disappearing _ _ the severe pollution. Many beautiful fish

13、 are fast disappearing _ the pollution is severe.参考答案：come up【自我归纳】 到来；走近；长出来；被提出 【联想】 come along; come to; come out; come on 【即学即练】 1-4 CCDAplay a part (in)自我归纳 起作用；扮演角色即学即练1. Courage plays an important part / role in speaking English well.2. He played the leading role in the play.request自我归纳 a. 名；应的要求 b. 动；请求某人做某事即学即练 1. (should) be late for class 2. at our request / at the request of usbase【自我归纳】 动；以为根据；名；根基，基础；基地【即学即练】 1. is based 2. bases 3. basestraight自我归纳 形容；直的；副即学即练 1. Come stra