11.advise和advice
advise"劝告”(动词);advice"劝告”(名词)。
12affect和effect
affect"影响”vt.，它医学全在线www.med126.com的第二个意思是“假装”，Though she attectes indifference,I Knew She was really very upset
effect n.“结果”，“效力”。vt.“产生”，“导致”，它比“to cause，to bring out'’更为正式。His aim was to effect a radical change in the party structure.
13.all ready和already
all ready意思是"COBpletely prepared'’
already'‘已经”。He had already had his hmeh.
14.altogether和all together
altogether(in total)“总共”，
all together意思是“in a group'’。如：We put the sheep all together in one field.这两个词还可以分开。We put all the sheep together in one field.
15.besides和beside
besides意思是“in addition to”“加之，还有，另外”;而beside“在……旁边”，“在……一侧”。Duncan is the tall man standing beside my father.站在我爸爸旁边的高个子男子是邓肯。
16.coherence和cohesion
coherence"统一,一致性”;cohesion"结合力，团结”，The cohesion or molecules分子的结合力。，
17.compare with和 compare to
compare with'‘和……比起来”
compare to"好比”。He compared the moon to a silver plate.他把月亮比成一个大银盘。
18.impel和compel
impel"推动，驱使，激励”。impel sb.to do sth.激励某人做某事;
compel"强迫，胁迫，迫使”。compel sb.to oneg will强迫人服从自己。
19.complement和compliment
complement"补足(物)，补全”，“补足语”。
compliment"恭维话医学全在线www.med126.com，赞辞，敬意”;Your presence is a great compliment.承蒙光临，不胜荣幸。
2o.continual和continuous
continual"连续，继续”;“频繁的”;continual bouts of toothache一阵接一阵的牙痛。(这中间可能有停顿或间断。)
continuous"连续”(指从不间断的);we've had three weeks of continuous rain.我们这里连续三周下雨不停。
