2020高中英語 短語知識點 Unit 4 Astronomy the science of the stars學(xué)案 新人教版必修3
模塊3 Unit 4 Astronomy: the science of the stars典型句式運用1. be to do sth.1)表按計劃或安排,如:The Queen is to visit Japan in a weeks time2) “命運”,將來必然要發(fā)生的事, 譯作“注定”。They said goodbye, little knowing they were never to meet again.3) 表示“應(yīng)該”/ “義務(wù)” ,相當(dāng)于should, must, have to . 如:You are to report to the police.4)用于否定句,表示“禁止”,相當(dāng)于mustnt。例如 You are not to smoke in the reading-room5 )表示“想,打算”,相當(dāng)于intend, want。例如If we are to be there soon, well have to go now.6)表示可能性,相當(dāng)于can, may如: Such books are to be found in the library.2the first, the second,the last 等序數(shù)詞常與不定式連用He is always the first to come and the last to leave.3. as+形容詞原級+名詞詞組+as分句Jack is as efficient a worker as Bill。Mary is as intelligent a student as Peter.重點單詞1. exist vi. 存在; 生存 existing adj.目前的;現(xiàn)存的exist on= live on靠為生 come into existence開始存在;成立2. escape v. & n.逃跑,逃離escape+ n./doing sth.逃脫了/避免了 escape from/out of.從逃跑sth. escape sb.被某人遺忘;未被注意 a narrow escape九死一生3. mass n. (聚成一體的)團;塊;大多數(shù); 質(zhì)量; 群眾; 大量1)a mass of/masses of大量的(可數(shù),不可數(shù)均可)= plenty of, , a quantity of, quantities of2)the mass media 大眾傳媒 3)mass production 批量生產(chǎn)4.break out 突發(fā);爆發(fā)。break up 關(guān)系的破裂,打碎;解散;放假break down (機器的)故障;(精神、身體)崩潰;(談判,計劃)失敗break off 停止,中斷 break in 闖入;插話break into 強行進入某處;突然開始(大笑、歡呼等)break through 突破;強行穿過 break away from.脫離5. in time 及時;最終,早晚in no time 立即;馬上 at no time 絕不at a time 一次;每次 at one time 曾經(jīng);一度at times 有時 ahead of time 提前for the time being 暫時 take ones time 別著急;慢慢來Its high time that sb. did/should do sth.6. 區(qū)分 now that, because, since, as, for1)Because 直接的原因,有較強的因果關(guān)系。(2)As 由于,比because 弱。(3)now that“既然;由于”that可省略 ,強度更弱(4)since 既然,表既成的事實,可與now that互換。(5) for 因為,并列連詞,前面用逗號與主句隔開,補充說明原因。7. violent criminals: 使用暴力的罪犯 a violent attack: 猛烈的攻擊a violent protest:強烈的抗議 a violent struggle; 激烈的斗爭violent winds and storms 狂風(fēng)暴雨 violent toothache: 劇烈的牙痛8. unlike 介詞,不同,不像 dislike 討厭,不喜歡9. pull: 拖,拉,牽引pull sth. down: 拆毀 pull in/into: 駛進,駛近 pull out 駛出,退出pull over: 使車閃到一邊 pull up ; 使停下,10. Now (that)/ seeing (that)/considering (that) / in that鑒于某個事實,原因是,用法與since接近not thatbut that 不是因為,而是因為; on ground(s) that 理由是11. get the hang of: 熟悉,理解,掌握=have a good knowledge of =have a good command of12. dissolve: 溶解,解散 13 .extinct:滅絕的,14.lessen the pressure from study:減輕;減少 15. exhaust: 用盡,耗盡