71.on show = on display展覽

　　72.be filled with / be full of充滿…

　　73. thank to =because of由于

　　74.some day =one day(將來)某一天 , all day終日, day and night 日日夜夜 , in a day or two一兩天內(nèi) in the old days從前,舊社會, from day to day (day after day)日復(fù)一日 , the day before yesterday前天 , the day after tomorrow后天, Tree Planting Day植樹節(jié) , Women's Day 婦女節(jié)

　　75. keep / stop / prevent… (from) doing sth.防止(阻止)…做某事 , stop to do sth.停下來去做某事 , stop doing sth.停止做某事

　　76.nice and +adj. = very +adj.很,非常

　　77. a place (places) of interest 名勝

　　78.three quarters of the information on the Internet因特網(wǎng)上四分之三的信息 , two thirds of the books三分之二的書

　　79. credit card信用卡

　　80. the increasing population增長著的人口