20xx人教版高中英語必修四unit2workingthelandperiodtwo學(xué)案(參考版)
2024-12-13 03:01本頁面
【正文】 20． B． suggesting C． spending D． waiting 答案 D 解析 句意為：專家們警告說等待太長的時間作出決定將會極大地減少成功的機(jī)會。句意為：現(xiàn)在還有時間給世界各國制定行動計(jì)劃。 17． B． working out C． answering D． dealing 答案 A 解析 settle the problems 意為“解決問題”。 16． B． develops C． exists D． appears 答案 C 解析 exist 意為“存在”。 14． B． plants C． forests D． people 答案 C 解析 由“ more and more trees are cut down.”可推知，此處指森林 (forests)可能消失。 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：在南亞、非洲和中東國家預(yù)計(jì)增產(chǎn)幅度不大。 9． B． hardly C． partly D． never 答案 A 解析 already 意為“已經(jīng)”，由下句可知，是指已經(jīng)有足夠糧食供人們生活的國家。 7． B． reduce C． increase D． continue 答案 C 解析 臨近幾句是講糧食增長問題，故選 increase“增長 ”。 5． B． developed C． big D． mountainous 答案 A 解析 從現(xiàn)狀來看，人口增長快的國家多為發(fā)展不發(fā)達(dá)的國家；而城市人口急劇增長的則是一些發(fā)展中國家 (developing countries)。 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。 2． B． pleasant C． safe D． blue 答案 B 解析 與后面的人口增長、環(huán)境污染等聯(lián)系起來看，在 2021 年地球上的狀況 (picture)將會令人不愉快 (pleasant)。根據(jù)短文可知她的體重嚴(yán)重超重，所以醫(yī)生建議她減肥，故選 C。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。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推出醫(yī)生讓她減肥，故選 B。根據(jù)文章第一句 “ Ellen Parker was worried about her health.” 可知她有健康問題所以去看醫(yī)生，故選 C。 (2)He did not ment on what I said. 他對我的話未作評論。 [歸納拓展 ] ment n．評論；議論； vi.amp。 (3)We hurried to the station only to be told that the train had left. 我們急匆匆趕到車站，結(jié)果被告知火車已開走了。 [語境助記 ] (1)His parents died early， leaving him an orphan. 他的父母早亡，他成了孤兒。 [歸納拓展 ] making it ready for crops...是現(xiàn)在分詞短語作結(jié)果狀語，表示由前面的事情引起的一種自然的結(jié)果。 (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 ] keep...free from/of 使 ?? 免受 (影響、傷害等 )；使 ?? 不含 (有害物 ) free from 不含 (有害物等的 )；不受 ?? 傷害 (或影響等的 ) for free/free of charge 免費(fèi) free sb./oneself/sth. of/from ，去除 [語境助記 ] (1)This medicine can keep you free from pain. 這種藥可以止痛。 (3)The skirt was reduced to ￡ 10 in the sale. 在大減價期間，這條裙子減價到 10 英鎊。 [題組訓(xùn)練 ] (1)She reduced her weight by 5 kilos. 她的體重減少了 5 公斤。 (2)We must gradually reduce the wage gap. 我們必須逐步縮小工資差距。 [題組訓(xùn)練 ] (1)All her energies are focused on (集中于 ?? ) her children. (2)Her beauty makes her the focus of attention(關(guān)注的焦點(diǎn) )． (3)介詞填空 Public attention at the moment is focused on the problem of environment balance. 5． A healthy soil reduces disease and helps crops grow strong and healthy. 健康的土壤會減少病蟲害并且?guī)椭r(nóng)作物茁壯成長。 [歸納拓展 ] focus on 集中 (注意力、精力等 )于 focus n．焦點(diǎn)；中心點(diǎn)； ；聚焦 focus one’ s attention/mind on 集中注意力 /心思于 [語境助記 ] (1)The discussion focused on three main problems. 討論集中在三個主要問題上。 (3)Once he turned up thirty minutes late for a meeting. 曾經(jīng)有一次他到達(dá)會議時遲到了 30 分鐘。 [歸納拓展 ] turn to 轉(zhuǎn)向；求助于；翻到 (書的某頁 ) turn down 拒絕；調(diào)小 turn in 上交 turn on/off 打開 /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，露面；開大 [語境助記 ] (1)He often turns to the police when in trouble. 有困難時他經(jīng)常向警察求助。 (2)The discovery of new evidence led to the thief being 。 [題組訓(xùn)練 ] (1)用所給詞的適當(dāng)形式填空 ① I now regret leaving (leave) school so young. ② I regret to inform (inform) you that your contract will not be renewed. (2)They failed to pass the exam last regretted not being able to h
教學(xué)課件相關(guān)推薦
鄂ICP備17016276號-1