Unit 3 - 4
Study aim: Grasp the following words and sentence structure and remember how to use them.
Study guide: Read the new words and fill in the blanks in about 20 minutes.
Study test: Finish the exercise given.
☆重點(diǎn)句型☆
1. as well as 的用法
2. Is anybody seeing you off? 進(jìn)行時(shí)表將來
3. unless引導(dǎo)條件狀語從句，相當(dāng)于if... not
4. It didn't take long before the building was destroyed. before的用法
5. normal, separate 與strike的用法
重點(diǎn)及難點(diǎn)：
1. Before she could move，she heard a loud noise. 她還沒有來得及動彈，就聽見很響的聲音。
該句中的before用作連詞，后接時(shí)間狀語從句, 表示“在……之前”。但在不同的語境中，往往有比較靈活的譯法。
(1)表示主句的動作或時(shí)間持續(xù)了一段時(shí)間從句的動作才發(fā)生
We had sailed four days before we finally saw the land .我們一直航行了四天才看見陸地。
(2) 還沒來得及……一個(gè)動作就發(fā)生了
Before I could say thanks to him , he had left in a hurry.我還沒來的及向他表示，他就匆忙離開了。
(3) 趁還沒怎么樣 去做一個(gè)動作
Before you forget it , write it down. 趁你還沒忘記趕快把它記下。
注意以下幾種句型：
(1) It will be +一段時(shí)間+before 從句 再過一段時(shí)間才能怎么樣
It will be 5 years before we meet again.再過5年我們才能再次相見。
(2) It won’t +before 從句 過了不久某個(gè)事情就發(fā)生了
It won’t be long before we meet again. 再過不久我們就能再次相見了
(3) It was +一段時(shí)間+before 從句 過了一段時(shí)間某事發(fā)生了
He went abroad in 1998. It was 5 years before he returned .1998年他出國。5年后他回國了。
(4) It wasn’t long +一段時(shí)間+before 從句 過了不久某個(gè)事情就發(fā)生了
He went abroad in 1998. It wasn’t long before he returned .1998年他出國了。不久他回國了。
2. normal adj. 正常的；正規(guī)的
與regular, common, usual的區(qū)別：
(1) regular 規(guī)則的；有規(guī)律的 common普通的；常見的 usual 慣常的；慣例的ordinary 平凡的；普通的
練習(xí)：keep _____________ hours the _______________ temperature
Tom is a ____________ name in Britain. It's __________with him to go to the office on foot.
in ______________ dress have a _____________ interest 有著共同愛好
3. Eco-travel is a way to find out what can be done to help animals and plants as well as people. 生態(tài)游可以找到既幫助別人．又幫助動植物的途徑。
(1) well是副詞，意思是“好，優(yōu)秀”，as well as是形容詞 同級比較結(jié)構(gòu)。
如：She sings as well as Naying. He plays as well as, if not better than, Jack.
(2) as well as連接兩個(gè)并列成分作主語時(shí)，句子的謂語動詞應(yīng)該與前面那個(gè)名詞或代詞的人稱或數(shù)保持一致。如：Tom, as well as his classmates, likes playing football.
(3) as well，是副詞短語，意思是“也”，相當(dāng)于“too / also”常位于句尾，與too位置相當(dāng)。
如： He is a professor and writer as well .
(4) may / might as well do sth 表示“還是……的好”。 It is going to rain; you may as well stay at home.
4. You shouldn't go rafting unless you know how to swim, and you should always wear a life jacket. 除非你會游泳，而且要一直穿著救生衣，否則就不應(yīng)該去做漂流運(yùn)動。
unless引導(dǎo)的條件狀語從句，一般可以與if...not...互換。例如：
We’ll go for a picnic this weekend unless it rains.=We’ll go for a picnic if it does not rain.
I won’t attend the party unless invited=(if not invited).
5. 現(xiàn)在進(jìn)行時(shí)的用法(is / am / are + doing)
(1) 表示現(xiàn)在(說話的瞬間)正在進(jìn)行或發(fā)生的動作。
Look! The monkey is climbing the banana tree.
(2) 表示當(dāng)前一段時(shí)間內(nèi)的活動或現(xiàn)階段正在進(jìn)行的動作。(說話時(shí)動作不一定正在進(jìn)行。)
We are preparing for the meeting to be held next Friday now.
(3) 表示說話人現(xiàn)在對主語的行為表示贊嘆、驚訝、厭惡等。(常與always, constantly, continually, all the time, forever 等副詞連用)，表反復(fù)的動作。
He is always thinking of others. (表贊許) She is always asking the same question. (表厭惡)
You are always changing your mind. (表抱怨)
(4) 表示在最近計(jì)劃或安排要進(jìn)行的動作。常用于go, come, leave, start, arrive, return, work, stay 等表移動、方向的動詞。
He is starting the work in a few minutes. / He is leaving for Beijing tomorrow morning.
5. separate v. 分隔，分離 （常與from連用） adj. 分開的，獨(dú)立的，不同的
separate與divide的區(qū)別： separate著重指把原來結(jié)合在一起的、混合在一起的事物或人分開或隔離，divide著重指將整體分成若干部分。
David and his sister have been sleeping in separate rooms. 大衛(wèi)和他的妹妹睡在各自的房間里。
He divided the cake into five parts.
練習(xí)： The whole class was _________________five groups. 全班分成了５組。
England is ___________________ France by the Channel. 英法兩國由英吉利海峽隔開。
6. strike 的用法vt. vi. (struck, struck/stricken)
(1) 打，擊，砍，敲 He was so angry that he struck the table with his fist.
(2) （某種想法）忽然出現(xiàn)；使（某人）突然意識到 A good idea suddenly struck her.
（3）給某人某種印象 I was deeply struck by the film star’s beauty.
�。�4）（鐘）敲響The church clock began to strike twelve. 教堂的鐘開始敲12點(diǎn)。
�。�5）=hit 指疾病、火災(zāi)、自然災(zāi)害等突然襲擊
I fear an earthquake will strike this area again. 我擔(dān)心地震會再次發(fā)生在這一地區(qū)。
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