考 點(diǎn) 探 究

互動(dòng)探究?能力備考

Ⅰ.詞匯短語過關(guān)

1．harmful adj. 有害的；傷害的

harm n．&vt. 損傷；傷害

harmless adj. 無害的

harmlessness n. 無害

be harmful to 對……有害

do sb. harm/do harm to sb. 對某人有害

do more harm than good 弊大于利

There is (no) harm in (sb.‘s) doing sth.(某人)做某事有(無)害處。

It does (no) harm (for sb.) to do sth. (對于某人來說)做某事有(無)害處。

mean no harm 沒有惡意

[即學(xué)即練1]

(1)Fruit juice can ______ __________ ______ children‘s teeth.果汁可能損壞兒童的牙齒。

(2)What he did _________ his reputation.他所做的損害了他的名聲。

答案：be?harmful?to；harmed

(3)He may look fierce, but he _________ ______ ______.他可能看上去很兇，但并無惡意。

(4)The court case will ______ ______ ______ ______ my business.這起訴訟案件將嚴(yán)重?fù)p害我的生意。

答案：means?no?harm；do?serious?harm?to

2．exist vi. 存在；生存；維持生活

existent adj. 存在的，現(xiàn)存的　existence n. 存在，生存

There exists/existed....某地有……，存在……

exist in 存在于……之中

exist on 靠……為生

exist by 靠……生存

come into existence 開始存在；成立

bring into existence 使發(fā)生，產(chǎn)生

[即學(xué)即練2]

(1)________ always ________ a force of attraction between two bodies. 兩物體間總是存在著吸引力。

(2)They ______ ______ very little food.他們靠極少的食物來生存。

(3)That word doesn‘t ______ in English. 英語中沒有這個(gè)詞。

答案：There?exists；exist?on；exist

(4)Fish can't ______ ______ ______ ______.?魚離開水就不能生存。

(5)When did the world ______ ______ ______________？世界是什么時(shí)候開始產(chǎn)生的？

答案：exist；out?of?water；come?into?existence

3．puzzle vt. 使困惑；使糊涂　n. 難題；謎

puzzling adj. 令人困惑的

puzzled adj. 感到困惑的

puzzle about/over sth. 苦苦思索；仔細(xì)琢磨

puzzle sth. out 琢磨出……的答案；開動(dòng)腦筋

be in a puzzle about sth. 對某事迷惑不解

set a puzzle for sb.(＝set sb. a puzzle) 出個(gè)謎語叫某人猜

be puzzled by 被……迷惑

[即學(xué)即練3]

(1)It's quite ______ ______ ______ us why he did that.他為何做那樣的事，我們完全搞不懂。

(2)This sentence _________ me. 這個(gè)句子令我困惑。

(3)I ______ ________ how to solve the problem.我不知道怎樣解決這個(gè)問題。

(4)The question is ________ to me. 這個(gè)問題令我困惑。

答案：a?puzzle?to；puzzles；was?puzzled；puzzling

4．in one’s turn輪到某人；接著

in turn依次；輪流；轉(zhuǎn)而；反過來

by turns輪流；交替

take one’s turn輪到某人做……了

take turns依次；輪班，輪流

on the turn正在轉(zhuǎn)變，正在變化

out of turn不合時(shí)宜地，魯莽地

[即學(xué)即練4]

(1)The girls called out their names ______ ______.那些女孩兒逐一報(bào)出了自己的名字。

(2)We make every effort to make more films, and ______ ______ this creates further environmental pollution.我們在竭力生產(chǎn)出更多的電影，反過來這又造成了進(jìn)一步的環(huán)境污染。

答案：in?turn；in?turn

(3)We kept watch ______ ______.＝We ______ ______ to keep watch.我們輪流守望。

答案：by?turns；took?turns

5．prevent...from 阻止；制止

stop sb. (from) doing sth. 阻止某人做某事

keep sb. from doing sth. 阻止某人做某事

protect sb. from...保護(hù)某人不受……侵襲，擋住，防御

keep sb. doing sth. 讓某人一直做某事