20xx人教版高中英語(yǔ)必修四unit2workingthelandperiodtwo學(xué)案-免費(fèi)閱讀
【正文】 18． B． still C． less D． plenty of 答案 B 解析 still 意為“還有”，加強(qiáng)語(yǔ)氣。 11． B． protecting C． disturbing D． interrupting 答案 A 解析 由“ changing farms into deserts”可知，不當(dāng)?shù)霓r(nóng)業(yè)生產(chǎn)方式毀壞 (destroy)了大片生產(chǎn)糧食的土地。指人口達(dá)到某一數(shù)目用“ as large as＋數(shù)詞”。 3． Mrs Ellen Parker asked for ten pounds of steak because . A． she wanted to buy some for dinner B． she wanted to lose weight C． her doctor asked her to do so D． she wanted to know the size of 10pound meat 答案 D 解析 細(xì)節(jié)理解題。 [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。 (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。 [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(kāi)支。 (3)What led you to take up acting as a career? 是什么讓你開(kāi)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(kāi)始轉(zhuǎn)向有機(jī)耕作。 Period Two Integrating Skills Ⅰ .單詞 1． ；制造 production 細(xì)菌 bacteria 營(yíng)養(yǎng)；滋養(yǎng) nutrition 礦物；礦石 mineral 發(fā)現(xiàn)；發(fā)覺(jué) discovery 根；根源 root 總結(jié)；摘要 summary 2． ；使為難 confuse 遺憾；惋惜 regret 減少；減縮 reduce 瀏覽；略讀 skim 畫(huà)底線標(biāo)出；強(qiáng)調(diào) underline 表達(dá)意見(jiàn)；作出評(píng)論 ment 3． chemical Ⅱ .短語(yǔ) 1．逐漸增強(qiáng)；建立；開(kāi)發(fā) build up 2．導(dǎo)致；造成 (后果 )lead to 3．集中 (注意力、精力等 )于 focus on 4．使 ?? 免受 (影響、傷害等 )；使 ?? 不含 (有害物 )keep...free from/of 5．給 ?? 造成損害 cause damage to 6．此外，另外 in addition 7．轉(zhuǎn)向；向 ?? 求助 turn to Crops such as peas or soybeans put important minerals back into the soil， making it ready for crops such as wheat or corn that need rich and fertile soil. 像豌豆和大豆這樣的農(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。 [歸納拓展 ] turn to 轉(zhuǎn)向；求助于；翻到 (書(shū)的某頁(yè) ) turn down 拒絕；調(diào)小 turn in 上交 turn on/off 打開(kāi) /關(guān)上 turn out 證明是，結(jié)果是 turn over 翻轉(zhuǎn)，翻身 turn up 出現(xiàn)，到場(chǎng)，露面；開(kāi)大 [語(yǔ)境助記 ] (1)He often turns to the police when in trouble. 有困難時(shí)他經(jīng)常向警察求助。 (2)We must gradually reduce the wage gap. 我們必須逐步縮小工資差距。 (3)These exercises help free the body of tension. 這些鍛煉可以使緊張的身體放松。 [歸納拓展 ] ment n．評(píng)論；議論； vi.amp。根據(jù)文章最后一句 “‘ I just wanted to see what 10 pounds of meat looked like.’” 知，她只是想看看十斤肉到底 有多大，故選 D。 5． B． developed C． big D． mountainous 答案 A 解析 從現(xiàn)狀來(lái)看，人口增長(zhǎng)快的國(guó)家多為發(fā)展不發(fā)達(dá)的國(guó)家；而城市人口急劇增長(zhǎng)的則是一些發(fā)展中國(guó)家 (developing countries)。 12． B． lost C． discovered D． used 答案 B 解析 由于擴(kuò)建城市，修建房屋，必然侵占大量農(nóng)田，故選 lost(失去 )。句意為：現(xiàn)在還有時(shí)間給世界各國(guó)制定行動(dòng)計(jì)劃。 17． B． working out C． answering D． dealing 答案 A 解析 settle the problems 意為“解決問(wèn)題”。句意為：在南亞、非洲和中東國(guó)家預(yù)計(jì)增產(chǎn)幅度不大。 4． more than B． as many as C． as much as D． as large as 答案 D 解析 指人口數(shù)目多用 large，少用 small。根據(jù)文章第一段中的 “ ...it was difficult for her to climb stairs， she was soon out of breath.” 下文中的 “ She knew that...it would take time.” 及文章最后一句可以
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