Section Ⅱ　Welcome to the unit &

　　　　　　　Reading-Language points

　　 drop off　中途下客或卸货；下降；打瞌睡

　　(教材P49)They pick up and drop off people at different stops on the route.

　　它们在沿途不同的站点上下客。

　　drop in(on sb./at sp.)　　 顺便拜访某人/走访某地

　　drop out 退学，辍学；退出，脱离

　　drop away 离开；散去

　　drop by 顺便来访

　　drop behind 落在后面

　　①I just dropped by to see how you were getting on.

　　我只是顺道来看看你过得怎样。

　　②More than half of visitors drop in at the page because they've heard about it from friends.

　　超过一半的访问者都浏览了该网页，因为他们从朋友那里听说过。

　　 convey vt.　运送，输送；表达

　　(教材P50)Horse­drawn buses, trams, cabs and carriages were used to convey people to and around the city centre.

　　用马拉的公共汽车、有轮电车、出租车和四轮马车被用来送人们到市中心和周围地区。