高三英语上学期unit 4a

1、Language points,Unit 4 Exploring Plants,Revision,1.They were so excited that they didnt fall asleep.(变为简单句),They were too excited to fall asleep.,2.The room is large enough to hold 30 people.(变复合句),The room is so large that it can hold 30 people.,3.I didnt go home until 12 oclock in the morning.(变强调

2、句),It was not until 12 oclock in the morning that I went home.,Not until I began to study did I realize how much time I had wasted.,I didnt realize how much time I had wasted until I began to study.,Other language points introduce,1)介绍, 使得认识,我将把我的朋友亨利介绍给你认识.,I will introduce my friend Henry to you.,

3、2)传入，引入(bring in),Tobacco(烟草) was introduced into Europe from America.,*introduction n. an introduction to sb./sth. self introduction,2.*vast/large quantities of,a large quantity of lots of a lot of plenty of large amount of a great deal of a great/good many a large number of large numbers of,+n.(作主

4、语谓语为复数),+U.n.(作主语谓语为单数) +C.n.(作主语谓语为复数),+U.n.(作主语谓语为单数),+C.n.(作主语谓语为复数),3. ruin vt.毁灭, 毁掉, 破坏,火烧掉了那房子.,The fire ( has) ruined the house,1)The rain has ruined the childrens trip. 2)We took a picture of the ruined cottage.,*be in ruins 一片废墟, 落空 The town lay in ruins. * bring/come to ruin 使毁灭/破产 All hi

5、s plans came to ruin. * fall into ruin 已成废墟 The castle has fallen into ruin,4. tightly 紧紧地, 满满地,1)Tie it as tightly as you can. 2)His arms were folded tightly.,* tight adj. 紧,绷紧,拉紧 The coat looks tight. We hope to finish the task next week, but the schedule is a bit tight.,5. seal vt. 盖章, 封口,1)The t

6、reaty(条约)was signed and sealed by both governments. 2)Food such as corned(盐腌的) beef and Condensed(浓缩的) milk are sold in sealed tins. 3)His eyes were sealed with sleep.,6. restriction U.限制,公园无限制向公众开放,The park is open to the public without restriction,He dislikes their restriction of his freedom of ch

7、oice,C. 限制性规定 The restrictions on the use of the play-ground: No fighting. No damaging property. The government placed restrictions on the numbers of foreign cars that could be imported.,restrict vt. 限制, 控制,He feels this new law restrict his freedom. The trees restricted our vision. restricted adj.

8、有严格控制的, 局限的 restrictive adj. 限制性的,She is now on a very restricted diet, and can have no sweets. The space provided is too restricted. He finds life in the small town too restrictive.,7. in style 以 方式 ，用风格,1)He wrote the sentence in a childish style. 2)The little boy bowed in a gentleman style.,*in s

9、tyle 讲究地，有气派地; 时行, 不过时 out of style 不时行, 过时 with style (处理得) 漂亮, 得当,8. Not only did Fortune. but he also shipped Not only 放在句首要倒装, 表示强调 Not only did he complained the food, he also refused to pay for it. Not only did they bring snacks and drinks, but they also brought cards for entertainment when th

10、ey had a picnic in the forest.,只有当not onlybut also连接两句子时, 才倒装, 若连接的不是句子,则不用倒装。 Not only John but also Ben should have got a full mark in the exam. What he is worrying is not only his food but also his bed.,*Fortune not only introduced but he also shipped.,9. establish 成立, 建立 Father established his b

11、usiness forty years ago. Even public schools for girls were established in some places. establishment n. 建立，成立 the establishment of a new state,10. appeal vt. 吸引, 投合兴趣或爱好 How did the course appeal to you? These pictures dont appeal to the children. 呼吁, 请求 appeal to sb. for help He appealed to his friends for support. The murderer appealed to the court for mercy.,11. value vt. 估价; 珍视, 珍惜 How much do you value it at? I value my friendship with him.,*value n. 价值, 价值观念 Every experience is of great value.,(作表语) 有价值,Nothing of value was stolen. put value