浙江省象山中学高中英语《Unit4 Astronomy Useful structures》导学案（无答案）新人教版必修3.doc

unit4 astronomy useful structures学习目标：1get the students to study noun clauses.2. enable students to use noun clauses correctly and properly.重点: how to use noun clauses as the subject correctly and properly.难点: how to judge different noun clauses 自主学习1.定义：在复合句中作主语 的从句叫主语从句。引导主语从句的连接词主要有：连接代词who，whom，what连接副词when，where，how，why及连词that，whether。2.常见用it作形式主语的复合句结构 it is a fact（a good idea / a pity / a shame / no wonder / good news）that如： its a pity that you missed the film. 你没有看那部电影真是太遗憾了。it is reported(well-known/ hoped / thought /said /believed /suggested/ordered）thatit is said that he was killed in the earthquake. 据说他在地震中丧生了。it is necessary （clear / true / strange/ important /wonderful / possible/likely）that需要注意的是，这类主语从句中谓语动词多为“（should）动词原形”，即要用虚拟语气。 it is necessary that you （should）master the computer. 你很有必要掌握电脑。 it seems （happened / appears / doesnt matter / makes no difference ）that it seems that they will win the game. 看起来他们好像会赢得这场比赛。3.主语从句中应注意的几点：1）主语从句的语序 主语从句要求使用_语序，而非一般疑问句语序。如： what surprised me most was that the little girl could play the violin so well. 使我感到惊讶的是这个小女孩的小提琴拉得太好了。2）主句谓语动词的选用一般情况下单个的从句作主语时，主句的谓语动词用单数形式that beijing is the capital of china is known to everyone. 人人都知道中国的首都是北京。我的疑惑： 合作探究一 指出下列为何种从句、1）what he wants is a book.2）please tell me who your monitor is. 3）this is why he did it.4）that he wants a book is certain.5）i suggested just now we (should) take part in this competition.主语从句是: 宾语从句为_表语从句为_二 单项选择1._ makes mistakes must correct them. a. what b. that c. whoever d. whatever2. it worried her a bit _ her hair was turning grey. a. while b. that c. if d. for 3. when and why he came here _ yet.a. is not knownb. are not known c. has not known d. have not been known4._ surprised me most was _ such a little boy of seven could play the violin so well. a. that.what b. what.that c. that.which d. what.which5. there is no doubt _.a. that mr. hansen is in good health b. whether is mr. hansen healthyc. if mr. hansens health was returning d. whether mr. hansen in health6. you cant imagine _ when they received these nice christmas presents.a. how they were excited b. how excited they were c. how excited were they d. they were how excited7. _we cant get seems better than _we have. a. what; what b. what; that c. that; that d. that; what