coherence"統(tǒng)一,一致性”；cohesion"結(jié)合力，團(tuán)結(jié)”，The cohesion or molecules分子的結(jié)合力。

　　17．compare with和 compare to

　　compare with'‘和……比起來(lái)”

　　compare to"好比”。He compared the moon to a silver plate．他把月亮比成一個(gè)大銀盤。

　　18．impel和compel

　　impel"推動(dòng)，驅(qū)使，激勵(lì)”。impel sb．to do sth．激勵(lì)某人做某事；

　　compel"強(qiáng)迫，脅迫，迫使”。compel sb．to oneg will強(qiáng)迫人服從自己。

　　19．complement和compliment

　　complement"補(bǔ)足(物)，補(bǔ)全”，“補(bǔ)足語(yǔ)”。

　　compliment"恭維話，贊辭，敬意”；Your presence is a great compliment．承蒙光臨，不勝榮幸。

　　2o．continual和continuous

　　continual"連續(xù)，繼續(xù)”；“頻繁的”；continual bouts of toothache一陣接一陣的牙痛。(這中間可能有停頓或間斷。)

　　continuous"連續(xù)”(指從不間斷的)；we've had three weeks of continuous rain．我們這里連續(xù)三周下雨不停。

　　21．might和could

　　might表明“possibility”。

　　could應(yīng)該用來(lái)表明"permission"．Mum said we could(might)go to the football match．

　　22．council和counsel

　　council"議事機(jī)構(gòu)”，委員會(huì)a cabinet council內(nèi)閣會(huì)議。

　　counsel"商議，勸告”；follow sb．'s counsel close牢記某人忠告。

　　23．economical和economic

　　economic"經(jīng)濟(jì)學(xué)的，經(jīng)濟(jì)上的”an economic survey of Scotland蘇格蘭經(jīng)濟(jì)調(diào)查；an economic block．a(chǎn)de經(jīng)濟(jì)封鎖；economical"節(jié)儉的，經(jīng)濟(jì)的”；He's had to learn to be more economical now that his only in．come is a small pension．