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新概念英語三冊課后練習答案lessons 19~21
新概念3課后習題答案：
Lesson 19 1a 2b 3a 4b 5d 6a 7b 8d 9c 10b 11c 12a
新概念3課后習題解析：
Multiple choice questions多項選擇
1. A正確could and would愿意并有能力companion n.同伴,共事者
2. B正確on what conditions在什么樣的基礎之上
reveal vt.展現(xiàn),顯示,揭示,暴露
3. A正確greatly adv.很,非常
4. B正確for a great many years(用完成時)
5. D正確
6. A正確reaction n.反應,反作用根據(jù)語法規(guī)則：
主語是ambition, duty, goal, hope, idea, intention, mistake, plan, policy, purpose, reaction, suggestion等名詞的時,句子的表語必須是to不定式短語,該不定式短語是說明其內容的。
-- His purpose in life was to seek truth instead of money.
-- Our plan is to make better use of this material.
7. B正確for fear + of/that
-- They are working hard for fear that they should fail.
= They are working hard for fear of failure. afraid for側重點表示：為...感到擔心,害怕失去
-- The parents are often are afraid for their children.父母常為孩子擔心。
-- He was afraid for his job.他害怕丟工作。 -- I am not afraid for my head.我不怕掉腦袋。
8. D正確修飾money用large
9. C正確
measured adj.慎重的,有節(jié)奏的,標準的,整齊的,有規(guī)則的
regular adj.強調有規(guī)則的
disciplined n.受過訓練的,遵守紀律的
10.B正確
go for a walk = go for a stroll go on/for a trek進行艱苦的跋涉-- trek n.牛拉車旅行,艱苦跋涉go for a trot去散步
-- trot n.小跑,騎馬,疾走,忙碌lane n.(鄉(xiāng)間)小路,巷,里弄
-- I’m going for a trot down the lane.我正沿著巷子小跑。
11.C正確sure enough = as (was) expected without a doubt adv.無疑地as a matter of fact adv.事實上(in fact = actually實際上,事實上)
12.A正確healthy adj.健康的,健壯的sane(adj.神志清楚的,頭腦清楚的)= sensible(明智的,有判斷力的)
新概念3課后習題答案：
Lesson 20 1c 2b 3b 4c 5a 6c 7d 8a 9c 10d 11a 12d
新概念3課后習題解析：
Multiple choice questions多項選擇
1. C正確develop(vt.使顯出,出現(xiàn),產生) take-off(n.起飛)
2. B正確
3. B正確forced landing迫降properly(adv.適當?shù)?完全地)
4. C正確序數(shù)詞和不定式搭配連用
5. A正確not till / not until
6. C正確有just一般用完成時
7. D正確promised vt.預示(有可能發(fā)生好的跡象)
threaten預示的惡兆
-- The river of liquid rock threatened to surround him completely, but Tazieff managed to escape just in time.
這股巖漿威脅著要將他團團圍住,但泰哲夫還是設法及時躲開了。
8. A正確
9. C正確
no further修飾距離(-- I can walk no further.我再也走不動了。)
no longer修飾時間或長度(-- He no longer lives here.他再也不住這了。)
no more修飾某物(-- I can eat no more.我再也吃不下了。)
10.D正確
-- The ship rode the waves.這艘船漂浮在水面上。
hold water論點或觀點站得住腳
-- What you said doesn’t hold water.你的話站不得住腳。
Watertight adj.無懈可擊的,不漏水的,不透水的
-- a watertight contract.嚴密的合同
11.A正確
12.D正確
immense adj.修飾面積大得難以測量grand adj.雄偉的,壯麗的,盛大的
新概念3課后習題答案：
Lesson 21 1b 2d 3c 4a 5a 6b 7b 8a 9c 10a 11a 12d
新概念3課后習題解析：
Multiple choice questions多項選擇
1...D grasp vt.抓住,掌握,領會n.抓住,掌握,領會
establish vt.建立,設立,確定,證實
2...D in favor of adv.贊同,有利于
3...C apart from除什么之外還有supplement vt.補足,補充
4...A
5...A
6...B
7...B owe people money = owe money to people
8...B
vivid adj.生動的,鮮明的,鮮艷的,活潑的,逼真的
personality n.個性,人格,人物,名人character n.特性,性質,特征,人物image n.圖象,肖像,偶像
imaginative adj.想象的,虛構的adj.富于想象的,有想象力的
9...C
exceptionally(adj.例外的,異常的) à unusually(adv.顯著地,不同尋常的) -- An exceptionally beautiful girl.
marvelously(adj.不可思議的,非凡的) = wonderfully(adv.奇妙的,奇異的) singly adv.單獨的
unequally adv.不相等地,不公平地,獨一無二的
10...A rise vi.n.
11...A
jealous adj.妒忌的,猜疑的,警惕的,嫉妒的disinterested adj.無私心的,廉潔的,公正的adj.[美口]不關心的,不感興趣的revolt v.反抗,起義,反叛
revolted adj.起來反抗的,起義的,厭惡的
12...D
beat = defeat
conquer vt.征服,戰(zhàn)勝,占領,克服
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