1、Period Learning About Language(见学生用书P91)In the heat of summer, the cabbage will be moved. Nine times in ten years. 处暑就把白菜移，十年准有九不离。Build up your vocabulary1_urban_ adj.城市的；都市的；城镇的2_bomb_ n. 炸弹 vt. 轰炸；对投炸弹3tunnel n. _地下通道；地道；隧道_4_extension_ n. 扩建部分；扩大；电话分机5_chemical_ adj. 与化学有关的；化学的n化学制品； 化学品6_wheat_
2、 n. 小麦；小麦籽7_flavour_ n. 味道；特点；特色8fertiliser n. _肥料_Then businessmen decided to make use of it to grow green vegetables to meet increasing consumption demands. 后来商人决定利用它种植绿色蔬菜，以满足日益增长的消费需求。(教材P52)make use of 利用；使用(1)make full/good use of充分利用make the best/most of 充分利用(2)take (full) advantage of (充分)利用
3、 【活学活用】(1)It doesnt matter what you are given, but you can choose _how_you_make_use_of_it_. 重要的不是你被给予的东西，而是你选择如何利用它。(2)So by the 1600s Shakespeare was able to_make_use_of_ a wider vocabulary than ever before. 所以截止到 17 世纪，莎士比亚能用的词汇量比以前任何时期都大。(3)I_took_advantage_of_ the good weather to paint my house
4、last week.上周我利用好天气粉刷了我的房子。Discover useful structures主语从句(见学生用书P91)主语从句读下列教材原句并感知黑体部分的共性。1However, what concerned him most was that farmers often had poor harvests and sometimes even had a serious shortage of food to eat.2How this could be done was a challenging question at the time.3However, whether
5、 it was possible to develop a hybrid of selfpollinating plants such as rice was a matter of great debate. 4Today, it is estimated that about 60 percent of domestic rice consumption in China is comprised of crops generated from Yuans hybrid strains.5What impresses people most about Yuan Longping is h
6、is ongoing ability to fulfil his dreams. 我的发现：(1)在复合句中用作主语的从句叫_主语从句_。(2)句子_1_和句子_5_都是what引导的主语从句；句子_4_为it作形式主语；句子_2_为连接副词how引导的主语从句；句子_3_为whether引导的主语从句。在复合句中用作主语的从句叫主语从句，它是名词性从句之一。引导主语从句的连接词有：连词that和whether；连接代词who、what、which等；连接副词when、where、how、why等。探究点1引导主语从句的连词1从属连词that和whether：在从句中不作成分(1)that 本
7、身无词义，在从句中不作成分，只起连接作用，但不可省略。That they were in truth sisters was clear from the facial similarity between them.从她们的面貌相似度就能清楚地看出她们是亲姐妹。(2)whether引导主语从句时，可以单独使用，也可以和or或or not连用，意为“是否”。Whether the plan will be carried out is still unknown.这个计划是否会实施还不知道。Whether it will do us good or harm remains to be see
8、n. 此事对我们有利还是有害，还有待于再看一看。2连接代词what，who，whom，whose，which，whatever，whichever，whoever等：在从句中作主语、宾语、表语或定语。Whatever was said here must be kept secret. 这里说的话都应当保密。Whoever makes mistakes must correct them.凡是犯了错误的人都必须改正。Whom we must serve is a question of vital importance.为谁服务是一个极为重要的问题。Who cant rule himself
9、cant rule a state.不能自制者，决不能治国。A typical Chinese wedding nowadays goes like this：when a new couple is engaged，what follows is a choice of the date of their marriage.当今典型的中国式婚礼是这样的：当一对新人订婚后，接下来要做的事是选择结婚日期。3连接副词when，where，why，how，whenever等：在从句中作状语。When we arrive doesnt matter.我们什么时候到没有关系。Why he did it
10、will remain a puzzle forever.他为什么这样做将永远是一个谜。Where we shall do the test is still under discussion.我们在哪里做测试还在讨论中。探究点2用it作形式主语的主语从句主语从句一般放在句首，但有时为了避免主语过长， 可以用it 作为句子的形式主语，把主语从句移到句子的末尾。常见的句型：1Itbe形容词(necessary/likely/important/uncertain等)主语从句It is uncertain what side effect the medicine will bring about
11、，although about two thousand patients have taken it.尽管大约两千名患者已经服用了这种药，但是它会带来什么样的副作用还不清楚。2Itbe名词(短语)(a pity/shame/no wonder/no surprise等)主语从句It is no wonder that youve achieved such a great success.难怪你取得了这么大的成功。3Itbe过去分词(said/reported/decided/believed等)主语从句It is reported that a violent earthquake hap
12、pened in Japan two weeks ago.据报道，两周前日本发生了强烈地震。4It不及物动词(seem/appear/happen等)主语从句It doesnt matter whether he likes it or not.他喜不喜欢它都没有关系。It suddenly occurred to me that I had left my purse at home.我突然想起来我把钱包落在家里了。1主语从句应用陈述语序Whether he will be in time for the meeting is doubtful.他能否赶上会议还很难说。2用and连接两个或两
13、个以上的主语从句作主语时， 谓语动词用复数；由两个或两个以上连接词引导一个主语从句时，谓语动词用单数。When and where the meeting will be held has not been decided yet.会议将在何时何地举行还没定下来。When they will set off and where they will go have not been decided yet.他们何时动身，要去哪里，还没定下来。3在“It be过去分词主语从句”中，当过去分词是suggested，ordered, required，advised，requested，insiste
14、d等表示建议、要求、命令等的词时， 主语从句应使用虚拟语气， 即谓语动词用“(should) 动词原形”。It is suggested that the work (should) be done with great care.有人建议， 这项工作得特别谨慎地去做。4whether的特殊用法whether引导的主语从句， 如果用了形式主语it, 引导词whether可以换成if。It has not been decided yet whether/if he will cut down his novel.Whether he will cut down his novel has no
15、t been decided yet.他是否删减自己的小说还没决定。单句语法填空1_Whose_ carelessness spoilt the work must be made clear.2_Whoever_ takes an interest in the paper can ask for a copy.3When she will come back to school _depends_(depend) on her mother.4It is uncertain_whether_ his family was originally from Britain or America
16、.5What they want at present _is_(be) basic skills for survival in the wild.6_It_ is desirable that we should read the instructions of the instruments in advance.7It is hard to imagine _what_ life was like for her at that time.8Its important that children_have_(have) their own hobbies and interests.9It is requested that all the members_(should)_be_(be) present at the meeting tomorrow.10_That_theory must go hand in hand with practice is a principle we should always keep in mind.温馨说明：课后请完成高效作业22)
