【正文】 豆和大豆這樣的農(nóng) 作物將重要的礦物質(zhì)帶回土壤，從而使之適宜于種植要求土壤肥沃的 農(nóng)作物比如玉米和小麥。 (3)Much to my regret， I am unable to accept your kind ，深感抱歉。 (3)What led you to take up acting as a career? 是什么讓你開始從事演藝事業(yè)的？ [題組訓(xùn)練 ] (1)What led him to kill (kill) his wife? (2)The driver’ s carelessness led to (導(dǎo)致 ) the serious traffic accident. (3)We firmly believe that war never settles only leads to (導(dǎo)致 ) violence. 3． With these discoveries， some farmers and many customers are beginning to turn to anic farming. 由于這些發(fā)現(xiàn)，一些農(nóng)民和消費(fèi)者開始轉(zhuǎn)向有機(jī)耕作。 [題組訓(xùn)練 ] (1)She has nobody she can turn to(她可以求助的 )． (2)Many people here are turning to (轉(zhuǎn)向 ) solar power. (3)Turn to (翻到 ) page 65 for more information. (4)— You look ’ s the matter? — I had my proposal turned down (拒絕 ) again. 4． They focus on keeping their soil rich and free of disease. 他們關(guān)心的是保持土壤肥沃并且免受病害。 [歸納拓展 ] reduce ；縮??；使 ?? 陷入某種更糟的狀態(tài) reduce ...減少到 ?? reduce ...減少了 ?? be reduced to 淪落為 ?? [語(yǔ)境助記 ] (1)He is trying to reduce expenses. 他正試圖減少開支。 (2)The poor boy is reduced to begging in the street. 那個(gè)可憐的孩子淪落到沿街乞討。 (2)We should use new energy to keep our environment free of pollution. 我們應(yīng)當(dāng)使用新能源，使我們的環(huán)境免受污染。動(dòng)詞不定式作結(jié)果狀語(yǔ)時(shí)，多表示出乎意料的結(jié)果，有時(shí)前面加上 only，以加強(qiáng)語(yǔ)氣。 [題組訓(xùn)練 ] (1)More highways have been built in China， making (make) it much easier for people to travel from one place to another. (2)Oil prices have risen by 32 percent since the start of the year， reaching (reach) a record US a barrel on April 4. (3)A small plane crashed into a hillside five miles east of the city， killing (kill) all four people on board. 8． Swap summaries with your partner and give each other ments. 和你的搭檔交換摘要并互作評(píng)論。 [題組訓(xùn)練 ] (1)Do you have any ments to make (make)on the recent developments? (2)— Will you resign， Minister? — No ment (無(wú)可奉告 )! (3)She was asked about the pay increase but made no ment (不進(jìn)行評(píng)論 )on it. Ⅰ .單詞拼寫 1． A balanced diet provides nutrition(營(yíng)養(yǎng) ) for your body. 2． Several new productions(作品 ) will appear this month. 3． Often， chemical(化學(xué)的 )materials used for industrial productions cause dangerous forms of waste. 4． The receiver creates its own summary(摘要 ) and pares it with the one we sent. 5． The discovery(發(fā)現(xiàn) ) that her assistant had lied made Patty decide to fire him. Ⅱ .選詞填空 be confused about， reduce to， lead to， turn to， focus on， keep...free from... 1． There is no doubt that stress can lead to physical illness. 2． We will focus on three main topics. 3． I am still a little confused about what happened. 4． By exercising， her weight has reduced to 98 jin. 5． If you have any questions， you can turn to me at any time. 6． We would like to keep a world free from violence for children. Ⅲ .句型轉(zhuǎn)換 1． The old lady is not only a successful scientist but also an excellent violinist. The old lady is an excellent violinist as well as a successful scientist. 2． Besides， there is one further point to make. In addition， there is one further point to make. 3． He es to see me every week. He es to see me every seven days. 4． A heavy rain stopped me ing here yesterday. A heavy rain prevented/kept me from ing here yesterday. 5． His pany bees larger and larger. His business is expanding. 6． Everyone mented on his new hat. Everyone made ments on his new hat. Ⅰ .課文理解 1． The writer seems to agree that . A． natural fertilizers are better than chemical fertilizers B． chemica