高中英語冀教版必修3Unit4《Astronomy：the science of the stars》復習學案3

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1111unlike prep.不同adj不同的；不相似的Something like幾分像-Its like/unlike sth. 做某事實在像/不像某人dislike vt不喜歡，討厭1). There was something like 500 people in the audience.2). Unlike other gifts, it came without wrap.3). Its unlike him to be late; hes usually on time.4). She dislikes his way of speaking. 3). Im in a puzzle as to what to do next.4). I saw him puzzle over a match problem.5). He puzzled (his brain) all day over the problem, but didnt solve it.4pull n. vt.拉（力）；拖；牽引力 1). I felt a pull at my sleeve and turned around. 2). He will pull through his illness soon. 3). They have managed to pull down the old building. 4). The train pulled in and all the passengers got off.Guess: Who can resist the pull of her charm?歸納：pull down 拆毀；拆掉（房屋等） pull in （列車等）駛進、到站；（船）靠岸 pull through恢復（健康）；（使）渡過難關(guān) 拓展：推push 拉pull5in time 及時；終于 1）He might get here in time, but I cant be sure. 2) If you keep on, you will succeed in time.拓展：on time 準時 at a time 每次；逐一 from time to time 有時；偶爾 in no time 立刻；馬上 time and time again 一次又一次；一再6prevent -from- 阻止；制止1) Guards stood at the door to prevent anyone from leaving.2) His advice kept me from making a serious mistake.3) Once he has made up his mind, no one can prevent him from carrying out the plan.7cheer up 感到高興；感到振奮 1) Feeling blue about the world? Cheer up. 2) The audience stood up to cheer on their team, the Vancouver Canucks. 3) The news cheered him up.8now that 既然 （口語中可省略that，這時that失去了“現(xiàn)在”的含義）since 1) Now that you have finished your work, youd better have a rest. 2) Now (that) the weather is fine, lets go for a ride. 3) Now (that) you have grown up, you can make up you mind by yourself. 4) Now that Ive seen how he lives, I know why he needs so much money.9. break out 突發(fā)；爆發(fā) 1) Should another world war break out, what would become of human being? 2) The thought made him break out in a cold sweat.拓展：break away from 脫離（黨派）；擺脫（控制） break down 毀掉；壞掉；（計劃、談判0失敗 break up 打碎；拆散；（會議）結(jié)束；分裂（解體） break off （使）停止；中斷；折斷 break into 強行進入（某處）.重點句型詳解1. This produced a chain reaction, which made it possible for life to develop.這就形成一個連鎖反應(yīng)，使生命發(fā)展成為可能。 make+賓語+賓語補足語（名詞或形容詞/不帶to的不定式/過去分詞/介詞短語）1）Insects would make it impossible for us to live in the world.2）Spaceships make it possible to travel to the moon.3）New technologies have made it possible to turn out new products faster and at a lower cost.拓展：注意下列句子中it的用法：1) I hate it when people speak with their mouths full.我不喜歡人們說話時嘴里有滿滿的東西。 2But when I tried to step forward, I found I was carried twice as far as on the earth and fell over.而當我試著向前邁步時，我發(fā)覺我被送出很遠，步子的跨度竟是在地球上的兩倍，因而我摔倒了。倍數(shù)的表達方式有：(1)“A倍數(shù)形容詞或副詞的比較級thanB”，表示“A比B大(長、高、寬等)多少倍”。(2)“A倍數(shù)as形容詞或副詞的原級asB”，表示“A是B的多少倍”。(3)“A倍數(shù)the size/height/length/width, etc.ofB”，表示“A是B的多少倍”。(4)“A倍數(shù)what從句”，表示“A是的多少倍”。Asia is four times as large as Europe.The size of Asia is four times that of Europe.Asia is four times the size of Europe.Asia is three times larger than Europe.亞洲是歐洲的四倍大(比歐洲大三倍)。Our total income of 1994 was double that of 1992.我們1994年的總收入是1992年的兩倍。The production now is three times what it was ten years ago.現(xiàn)在的產(chǎn)量是十年前的三倍。What a table! Ive never seen such a thing before. It is not half as wide as it is long.111