1、Language pointsUnit3 Life in the future1. impression: n. C 印象;感想;印記 leave/make/have an impression on/upon sb. 給某人留下印象 這演說給我們留下了深刻的印象.The speech made a strong impression on us.The teacher impressed us with his sense of humour.impress sb. with sth.impress sth on sb 某事(物)給某人留下深刻印象be impressed by 被打動，對印

2、象深刻2 take up 拿起,接受,開始從事,繼續(xù),占據(jù)Is he going to take up the challenge?He took up his pen and began to write.She decided to take up teaching as his career.This table takes up too much room.The professor took up the lesson where he left off yesterday.take offtake over take downtake intake aparttake on脫下,

3、起飛, 成功接管, 接任取下, 記下, 拆卸接受, 吸收; 領(lǐng)會, 理解; 欺騙；收留拆開雇用，呈現(xiàn)，承擔(dān)拓展3 previous to 在之前 (相當(dāng)于介詞)Previous to leaving for France, he studied a lot about the country.4 be surrounded by/with 被包圍5 make adjustments to 調(diào)整，調(diào)節(jié) adjust.to.調(diào)整；適應(yīng)6 lackvt.& vi.缺乏；沒有 lack (for) 缺少n. 缺乏；短缺的東西a lack of 缺少for lack of.因為缺少lacking adj

4、. 缺少的，沒有的be lacking in 缺少他缺乏勇氣。He lacks （for）courage. = He is lacking in courage.catch sight of. . . at first sight at the sight of. . . in/within sight out of sight看見乍看之下, 第一眼就看見時在視線內(nèi), 看得見在視野之外, 看不見7 lose sight of看不見1.I _her getting on the bus when I came out of the bookstore.2.The dog barks_strang

5、ers.3.I watched until I_the train.4. There was no garage_, so I hitched a lift into town.caught sight ofat the sight oflost sight ofin sight8 switch on 打開 switch off 關(guān)掉9 speed up 加速 反：slow down at a speed of. . . 以的速度 at high/low speed 以高低速The car moved _fifty kilometers an hour. at a speed of10 ins

6、tant n. 瞬間；片刻 adj.立即的；立刻的in an instant 立刻；馬上for an instant 一會兒，片刻the instant從句= instantly從句 一就表示“一就”的多種表達(dá)：副詞：immediately/ directly/ instantly+從句名詞短語：the moment/ the minute/ the second/ the instant+從句連接詞as soon as/ hardlywhen/ no sooner than(1)她沒有多久就吃完了一碗速食面。 She finished eating up a bowl of instant noodles _.(2) He started to work _ he got to his office. 他一到辦公室就開始工作了。in an instantthe instant(3) _his heart seemed to stop beating. 有一會兒他的心臟似乎停止了跳動。For an instant11 be representative of 是的代表，代表的特征This case is represe