Unit 3　Travel journal Period 2　Important Language Points��

once you understand the rule, you will have no difficulty.一旦明白了這條規則，你就再也沒有困難了。what will we do once the money is used up?錢一旦用完，我們該怎么辦？once printed, this dictionary will be very popular!一旦出版，這本詞典將會非常暢銷！once adv.1)(for)one time一次2)at some time in the past一度；曾經3)all at once:suddenly突然once a year, a race is held for old cars.每年舉行一次舊式小汽車比賽。it once seemed inconceivable to everyone that men should travel to the moon.人們一度認為，人飛上月球似乎是不可想象的。all at once the door opened.門突然開了。______________ environmental damage is done, it takes many years for the ecosystem (生態系統)to recover.a. even if�� b. if only�� c. while�� d. once答案：d5. it becomes rapids as it passes through deep valleys, traveling across western yunnan province.這里的as it passes through deep valleys是時間狀語從句，traveling across western yunnan province是現在分詞作伴隨狀語，整個句子可以翻譯成“它穿過深谷時就變成了激流，流經云南西部。”they came to the street, looking for the lost dog.他們來到街上，尋找丟失的狗。the boys and girls went to school, singing and dancing all the way.孩子們走在上學的路上，載歌載舞。through&across:through和across都有“經過”“穿過”的意思，但二者又有區別。through是指在物體內部穿過，它的含義和in有關；across是指在物體表面上經過，它的含義和on有關。we walked through the market to the truck park.我們穿過市場來到了卡車停車場。they walked across the playground and disappeared in the dark.他們穿過操場，消失在黑暗中。→step 6 consolidationtest for important language points. show the following on the screen.translate the following sentences.1. 去北京的單程火車票價是多少？2. 我怎么才能使你相信我的誠實？3. 他堅定的表情告訴我們，誰都無法改變他的想法。4. 媽媽堅持說我累了，應該在10:00前上床睡覺。5. 小英雄劉胡蘭寧死不屈。6. it was only when i reread these poems recently that i began to appreciate their beauty.7. was it tom who helped you with your homework?8. the old man died, leaving his wife and children a lot of money.9. once you talk to her, you’ll know she is a warm-hearted person.10. his advice determined me to delay no more.several minutes later, check the answers with the whole class. deal with any problems students meet if necessary.suggested answers:1. what’s the one-way train fare to beijing?2. how can i persuade you that i am honest/of my honesty?3. his determined look told us that no one could make him change his mind at all.4. mother insisted that i was tired and that i should go to bed before 10:00 o’clock.