(3)The crowd __________ their favourite horse ______. 观众都替他们看好的马加油。
【答案】(1) Cheer up(2) cheered(3) cheered on 【拓展归纳】
cheer sb. up 使某人高兴；使某人振奋 cheer on 为……加油 cheer sb. 为某人喝彩 with good cheer 欣然地 Cheers! 干杯！祝你健康！(用于祝酒) 【即时巩固】
1--- Darling, I didn’t get promoted.
--- ____! There will be loads of other opportunities. A．Well done 【答案】C
【解析】Well done 做得好；What a pity 多遗憾啊； Cheer up 振作起来；All right好吧，选C。
2.The moment the 28 Olympic Games were declared open, the whole world _______. A．laughged B. cheered C. excited D. was cheered 【答案】B
th
B．What a pity C．Cheer up D．All right
考点-4 break out (战争、灾难、瘟疫等)突发；爆发(无被动语态)
【教材原句】We watched, amazed as fire broke out on the outside of the spaceship as the earth's gravity increased. 我们观看着，吃惊地看到当地球引力增加的时候宇宙飞船外面着火了。 【例句研读】
(1) The Second World War broke out in September 1939. “二战”是1939年9月爆发的。
(2) A fire broke out in the neighborhood last night.
昨晚居民区里发生了火灾。 【拓展归纳】
break away from 脱离(政党等)；打破(陈套等) break down 出故障，抛锚；(计划等)失败；(身体、精神等)垮掉；打倒，砸破；(化合物等)分解 break in 破门而入；闯入；打断(话语等) break into 破门而入，突然……起来 break off 折断；突然中止，断绝，结束 break through 突破 break up 打碎，拆散；散开，解散；(学校)期末放假，(集会)结束 break into pieces 成为碎片 【即时巩固】
1. Scientists hope to____soon in their fight against heart disease. A. break up B. break out C. break through D. break in 【答案】C
【解析】考查动词词语辨析。句意：科学家们希望能尽快在应对心脏病方面有所突破。Break up“分解、打断”；break out“爆发、发生”；break through“突破”；break in“闯入、打断”；按照句意答案选C.
2. A big fire _________last night.Luckily, no one was killed or injured.. A.break out 【答案】A
【解析】考查短语辨析。句意“昨晚发生了一场火灾。幸运地是，没有人员伤亡。”A“爆发”；B“放弃，逃跑”；C“折断，突然停止”；D“突破”。故选A。
3. Prices of the basic necessities of life have been going up sharply since word came that war would________ between the two countries soon. A．watch out B．break out 【答案】B
C．die out
D．give out
B.break away
C.break off
D.break through
考点-5 watch out 注意；当心
【例句研读】
(1)______ ______！ There is a car coming! 当心！有车来了！
(2)______ ______ ______ cars while crossing the road. 过马路时要当心车辆。
(3)______ ______ not to catch a cold.＝______ ______ not to catch a cold. 当心别着凉。
【答案】（1）Watch out（2）Watch out for（3）Take care; Be careful 【拓展归纳】
watch out(for)＝ look out (for) 密切注意；留神 take care 留神，注意 be careful 仔细，留神 watch it 当心，小心 watch over 照看；看守 keep a close watch/eye on 密切注视 look out for sth 当心 【即时巩固】
1. Watch out ______ cars when you cross the road. A. at 【答案】D
B. to
C. of
D. for
2. ________ the dog or you may be bitten.
A．Watch out B．Look out C．Watch out for D．Look out of 【答案】C
【解析】watch out for当心，后跟宾语。watch out 当心，后不跟宾语；look out当心；look out of向……外看。
经典句型剖析
考点-1 it做形式宾语
【教材原句】This produced a chain reaction, which made it possible for life to develop. 这就形成一个连锁反应，使生命发展成为可能。
【句法分析】本句中 it做形式宾语，真正的宾语为不定式短语 for life to develop。it做形式宾语还可以代替动名词或从句。 【考点聚焦】考查it做形式宾语
常用句型：find / think / make/ feel/ consider +it + adj / n. + to do /doing /that 从句 【例句解读】
I found it hard to persuade him to go with us .我发现说服他和我们一起去很难。 I think it my duty to help them .我认为帮助他们是我的责任。
I felt it puzzling to find him in such a place . 我觉得在这样一个地方发现他很让人困惑。
【拓展】it还可以做形式主语，代替真正的主语——不定式(或不定式复合结构)、动名词(或动名词复合结构)或从句。
(1)It's＋adj.＋for sb. to do sth. 对某人来说做某事是……的。 (2)It's＋adj.＋of sb. to do sth. 某人做某事…… (3)It's/was/...who/that...是某人/某物做……
(4)It is/was the＋序数词＋time＋that...＋主语＋have/had done...这是某人第……次做……
(5)It is (high) time that...＋主语＋did/should do...是……该做……的时候了。 (6)It's said/reported/believed/announced that... 据说/据报道/据猜测/据称……
(7)It‘s a pity/a shame/a wonder...that... 可惜/遗憾/奇怪……的是……
(8)It happens/appears/seems that... 恰巧/看来/好像…… 【即时巩固】
(1)He didn't make ______ clear when and where the meeting would be held. A．this B．that C．it 【答案】C
D．these
(2)I'd appreciate ______ if you would like to teach me how to use the computer. A．that C．this 【答案】B
【解析】固定句型：appreciate+ it +if 从句，意思是“如果……会非常感激”。it做形式宾语，代替 if从句。 考点-2 倍数表达法
【教材原句】But when I tried to step forward, I found I was carried twice as far as on the earth and fell over.
而当我试着向前迈步时，我发觉我被送出很远，步子的跨度竟是在地球上的两倍，因而我摔倒了。 【句法分析】 倍数的表达方式有：
(1)“A＋倍数＋形容词或副词的比较级＋than＋B”，表示“A比B大(长、高、宽等)多少倍”。 (2)“A＋倍数＋as＋形容词或副词的原级＋as＋B”，表示“A是B的多少倍”。
(3)“A＋倍数＋the size/height/length/width, etc.＋of＋B”，表示“A是B的多少倍”。 (4)“A＋倍数＋what从句”，表示“A是……的多少倍”。 【考点聚焦】考查倍数表达法 【例句解读】
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. 亚洲是欧洲的四倍大(比欧洲大三倍) 【即时巩固】
1. You’d better go there by train. The train ticket is _______the airplane ticket. A. as cheap three times as B. as three times cheap as C. three times cheaper than D. cheaper three times than
B．it D．you