第三组:amplify, enhance, enlarge,expand,magnify

　　1.Human knowledge has greatly ___ in the last 30 years which enables people to achieve more and live more comfortably.

　　A.enlarged

　　B.expanded

　　C.enhanced

　　D.amplified

　　2.Please ___ a radio signal.

　　A.amplified

　　B.expanded

　　C.enhanced

　　D.enlarged

　　3.The republication of the poet’s most recent works will certainly ___ his national reputation.

　　A.magnify

　　B.expand

　　C.enhance

　　D.amplify

　　4.People often use a loudspeaker to ___ the voice.

　　A.develop

　　B.enlarge

　　C.magnify

　　D.widen

　　5.We must ___ our views by reading.

　　A.amplify

　　B.magnify

　　C.enhance

　　D.enlarge

　　6.The boss is going to ___ retail operations.

　　A.amplify

　　B.magnify

　　C.enhance

　　D.expand

　　7.Mother asked someone to ___ the kitchen.

　　A.amplify

　　B.magnify

　　C.enhance

　　D.enlarge

　　答案及解析

　　alternative,choose,pick,select都含有一定的"选择"之意

　　alternative adj. n. 供选择的,抉择,供选择的东西.指在两者之间进行选择,两者选一的

　　choose 适用范围最广,指从众多的对象中挑选,这中挑选常取决于个人的意志与判断,不强调客观标准.它所选择的对象可以是不同种类的,可以是有形的或无形的.还常带有最终选定的含义,即表示选定候不再变化.

　　pick 口头用语,指仔细地,精心地选择,含有挑剔的意思.一般指挑选有形的东西

　　select 语气比choose重,多用于正式场合.指仔细地,审慎地精选,强调客观性,而不是主观性.所挑选的对象可以是有形或无形的,但一定是同种类的.

　　答案:CBADC

　　1.He selected an appropriate birthday card for his mother.他给母亲精心挑选了一张合适的生日卡.

　　2.Children shouldn’t pick food.孩子不应该挑食.(pick off摘去,采取)

　　3 He chose Miss Lilyfor his wife.他选择了莉丽小姐作为他的妻子.(从本句可以看出"choose常带有最终选定的含义"这一点)

　　4.When traveling,you are advised to take travelers' checks,which provide a secure alternative to carrying your money in cash.建议你旅游时带旅行支票,那样要比带现金安全.

　　5.I'm to pick out a few good books to send to my friend.我要挑选几本好书给我的朋友.(pick up收拾整理,用车接人 pick out挑选,拣出 pick at吃一点点,无食欲地吃)

　　arise,arouse,raise,rise

　　arise vi. 突然出现;起床

　　arouse vt.引起,唤醒,激起

　  raise vt.举起,提高,较多地被用于具体的场合,如举手,举杯,升旗等;有时也用于提高工资,提高工作效率等

　　rise vi.上升,升高,上涨等,大多用于抽象或比喻的场合,如太阳,蒸汽,产量的上升,有时也用于具体场合,如人的起立,河水的上涨等