【文章內(nèi)容簡介】 __ __the shop _________ open? Since 1992. (=Since 15 years ago)2. Since when ___________the country _______ open to international trade? 1978, I suppose. 3. ______ 5 years ___________ he graduated from college. 4. _______ 2 years _____ he smoked.7. 觀察下列句子: 1. He was impressed the first time he attended Professor’s lecture. 2. Every time I went to see him, he was lost in playing puter games. 3. I will pay a visit to you next time I go to Shanghai on business. 4. By the time he was 14 years old, he had learned advance mathematics.8. before 的考點(diǎn): 1. Scientists say it may be five or six years ________ it is possible to test this medicine on human patients. 2. He was told that it would be at least three months ____ he could recover and return to work.3. Someone called me in the middle of the night, but they hung up _________ I could answer the phone. 小結(jié): 常見句型:It will be + 一段時間 + before…….It was + 一段時間 + before……. It won’t be long before …… It wasn’t long before……原因狀語從句1. 比較：because, since, as和for 1)because語勢最強(qiáng)，用來說明人所不知的原因，回答why提出的問題。當(dāng)原因是顯而易見的或已為人們所知，就用as或 since。例如：　 I didn‘t go, because I was afraid.　 Since /As the weather is so bad, we have to delay our journey.2)由because引導(dǎo)的從句如果放在句末，且前面有逗 號，則可以用for來代替。但如果不是說明直接原因，而是多種情況加以推斷，就只能用for。例如：　 He is absent today, because / for he is ill.　 He must be ill, for he is absent today 原因狀語從句: (because 。 as 。since。 for)1. Mother is worried because little Alice is ill, especially as Father was away in France.2. ________everybody knows about it, I don’t want to talk any more.3. It must have rained last night, ________ the ground is wet.語法專題練習(xí)題 professor had left, everyone looked relaxed.A. While B. After C. Unless D. For2. Her mother has been ill she came to Beijing last year.A. since B. for C. as D. when3 .I have taken care of your children you were away.A. during B. since C. except D. while 4. It has been a long time I last met you.A. since B. when C. that D. than5. He was walking along the sandshe saw a big footprint in the sand.A. while B. when C. as D. which6 .It won39。t be long you regret what you39。ve done.A. after B. before C. since D. then7. ______ everybody knows about it, I don’t want to talk any more.A. For B. Even C. Since D. However8 .A good storyteller must be able to hold his listeners’ curiosity he reaches the end of the story . A．when B．unless C．a(chǎn)fter D．until9. He was about to tell me the secret someone patted him on the shoulderA．a(chǎn)s B. until C. while D. when答案： 6. B More reading 課文中譯文娛樂技術(shù)新趨勢閱讀報紙上時尚專欄中這篇關(guān)于娛樂技術(shù)趨勢的文章。新技術(shù) 晚報 你想過在看電影是要有身臨其境的感覺嗎？你可以在上海科技館的Imax Dome劇院里感受到了這些劇院里面的銀幕環(huán)繞在觀眾們的四周。由于音響系統(tǒng)是由銀幕后的44只喇叭組成，所以聲音聽起來非常逼真。這些劇院里上映的片子大部分都是自然風(fēng)光片。在自己家的起居室安裝一套家庭娛樂系統(tǒng)，你就能享受到一樣的效果。家庭娛樂系統(tǒng)用的是寬大的純平電視機(jī)。電視機(jī)一般都會被掛在墻上，就像一幅圖畫一樣。觀眾周圍擺放著立體聲揚(yáng)聲器。是自己數(shù)使圖像和聲音都非常清晰。MP3 總是伴隨著音樂愛好者。自從1997年MP3播放器上市以來，人們不管走到哪里都會帶著它們。MP3播放器利用數(shù)字技術(shù)錄制和播放音樂。都不分的MP3播放器比打火機(jī)還要小。它們可以記錄下幾百小時的音樂。使用MP3播放器能使你在做任何事情時都能聽到優(yōu)質(zhì)的音樂旋律。你再也不用隨身攜帶CD或磁帶了。學(xué)生作品：MP3Nowadays, music lovers prefer to enjoy music played by MP3 player instead of by walkman or CD player. An MP3 player uses digital technology to record and play music. MP3 players are much smaller and less heavier than walkmans or CD players. What’s more, they can record many hours of music. With MP3 players, music fans can listen to highquality music anywhere while they are doing nearly anything. 課后練習(xí)題Ⅰ. Grammar and Vocabulary1. The European settlers did not know what c