Unit 9Have you ever been to a museum?1encourage 及物动词，意为“鼓励”，encourage sb. to do sth. 鼓励某人做某事，encourage sb. in sth.在某方面鼓励某人。如：My father encouraged me to take part in the sports meeting.父亲鼓励我参加运动会。Her parents encouraged her in her studies.父母鼓励她学习。2quarter四分之一；一刻钟three quarters四分之三；三刻钟Ive got to go in a quarter of an hour.一刻钟以后我就得走了。Three quarters of Chinese are farmers.四分之三的中国人是农民。3hear of 听说(1)hear of意为“听说”， 相当于hear about。如：I have never heard about/of such a man.我从未听说过这样一个人。Ive just heard of/about his illness.我刚听说他生病了。(2)hear about/of sb. doing sth.意为“听说某人做某事”。如：Ive never heard of anyone doing a thing like that.我从未听说有人干过那种事。4on the one hand. on the other hand.一方面另一方面On the one hand, she taught English, and on the other hand, she learned Chinese. 她一方面教英语， 另一方面学习汉语。5whether连词，表示“是否”，也可用if，现将它们的用法归纳如下：(1)whether和 if 在引导宾语从句时常常可以互换。如：I dont know whether/if he will be able to come. 我不知道他是否能来。(2)在下列情况下常常采用whether而不用if：1)宾语从句中提出两种选择时：He doesnt know whether he should go with me or stay at home.他不知道是该和我去还是留在家里。2)宾语从句前置时：Whether she will come, Im not sure.我不确定她是否来。3)引导介词后的宾语从句时：I worry about whether I hurt her feelings.我担心是否伤了她的感情。It all depends on whether they will support us.这完全取决于他们是否会支持我们。4)为避免产生歧义，常用whether表示“是否”。Please let me know whether you need my help.请告诉我你是否需要我的帮助。 Please let me know if you need my help. 此句有两种含义：a.请告诉我你是否需要我的帮助。b.如果你需要我的帮助，请告诉我。5)引导主语从句或表语从句时：Whether he will come is uncertain. 他是否来还没有确定。 The question is whether it is worth doing.问题在于做这事是否值得。6)后接不定式短语时：He doesnt know whether to go or not.他不知道是去还是不去。She hasnt decided whether to accept or refuse.她还没有决定是接受还是拒绝。7)引导让步状语从句时：Whether he agrees or not, I shall do that. 不管他同意与否，我都要做。I show everything on my face, whether I am angry or pleased. 无论生气还是高兴，我都会表现在脸上。8)注意：引导条件状语从句时，用if，译为“如果，假定”。If it rains, well stay at home.如果下雨，我们就待在家。1Its really interesting, isnt it?这真的很有趣，不是吗？反意疑问句由陈述句和附加疑问句组成。通常当反意疑问句的陈述句部分是肯定形式时，附加疑问句为否定式；当陈述句部分是否定形式时，附加疑问句为肯定式。回答只需依据事实回答。如：He didnt return the money to you, did he? 他没还你钱，是吗？No, he didnt.是的，他没还。(1)当反意疑问句的陈述句部分有nobody, nothing, no, never, few, little, hardly等表示否定含义的词时，附加疑问句部分用肯定形式。如：He has never been to Paris, has he?他从来没去过巴黎，是吗？(2)当反意疑问句的陈述句部分是祈使句时，后面的附加疑问句一般为：shall we？/will you？或wont you？。如：Lets play football, shall we? 让我们踢足球，好吗？Let us read the text, will you/wont you?让我们读课文，好吗/不好吗？2Its unbelievable that technology has progressed in such a rapid way!很难相信技术竟然以如此快速的方式发展！这句话是一个含有主语从句的主从复合句，it为形式主语，真正的主语是that引导的从句。如：Its quite clear that he has read this book.很显然，他看过这本书。It doesnt matter what he says.他说什么没关系。现在完成时以及have been，have gone to的用法(1)have been的用法1)have been意为“成为”，常与for, since引导的时间状语连用。如：She has been a teacher for five years. 她成为老师五年了。2)have been in意为“在某地待了多长时间”，常与for, since引导的时间状语连用。如：The teacher has been in our school since two years ago.那个老师在我们学校两年了。His parents have been in China for three months.他的父母亲在中国三个月了。3)have been to意为“曾经去过某地”，现在已不在那里了，常与ever, just, never等词连用。其后可接once, twice等表示次数的词。如：I have just been to a library. 我刚刚去过图书馆。They have never been to the Great Wall. 他们从来没有去过长城。My father has been to Beijing many times. 我爸爸去过北京很多次了。(2)have gone to的用法have gone to意为“到某地去了”，说话人不在现场，通常是第三人称作句子的主语，不能用第一、二人称。如：Where is Tom? 汤姆在哪里？He has gone to the post office. 他去邮局了。My father isnt here. He has gone to Beijing.我爸爸不在这里，他去北京了。一、词形变换1unbelievable(形容词)难以置信的；不真实的_(形容词)可信任的；可相信的2unusual(形容词)特别的；不寻常的_(形容词)通常的；寻常的3social(形容词)社会的_(名词)社会4peaceful(形容词)和平的；安宁的_(名词)和平5perfect(形容词)完美的；完全的_(副词)完美地；完好地6itself(反身代词)它自己_(人称代词)它_(物主代词)它的7collect(动词)收集；采集_(名词)收藏8German(形容词/名词)德国的；德语的；德国人的；德语；德国人_(名词)德国9invention(名词)发明；发明物_(动词)发明；创造10safe(形容词)安全的；无危险的_(名词)安全11simply(副词)仅仅；只；不过_(形容词)简单的12mostly(副词)主要地；通常_(形容词)大多数的二、单项选择()1. Where _ you _？I _ to the library.Ahave; gone; have gone Bhave; gone; have beenChave; been; have gone Dhave; been; have been()2. Would you like to watch the 3D film Titanic with me?Certainly. I dont mind seeing it again although I _ it twice.A saw Bwas seen Chave seen Dhad seen()3. What do you think is the most helpful_？Telephone.Ainvent Binvented Cinventing Dinvention()4. I had _ experience on Sunday.Aa unusual Ban unusual Cusual Dthe usual()5. _ you like English _ Chinese, you should learn them well.A If; or BWhether; and CWhether; or DWhenever; or三、用所给词的适当形式填空1The world _(it) is becoming smaller and smaller because of the Internet.2If they are _(Germa