背話題佳句：
1.With the development of economy, there are more and more private cars and traffic jams are getting heavier and heavier. As a result, traffic accidents occur frequently. Bear in mind that the traffic regulations are of great importance to road safety.
隨著經濟的發展，私人小汽車越來越多，交通擁堵越來越嚴重。因此，交通事故頻頻發生。記住，交通規則對道路安全至關重要。
2.The traffic issue is a hard nut to track.It not only affects our everyday life, but may also threaten people’s lives.
交通問題是一個棘手的問題。它不僅影響著我們的日常生活，而且還可能威脅到人們的生命。
3.As is known to us all, Mount Huashan is famous for its breathtaking cliffs and its unique characteristics.
正如大家 所知道的，華山以它險峻的懸崖和它獨一無二的特征而出名。
4.It is aimed at stopping common traffic violations such as speeding, running a redlight, drunk driving, driving without license and so on.
其目的是阻止常見的交通違規，例如超速、闖紅燈、酒后駕車以及無證駕駛等。
5.Located on Yangtze River, this beautiful old city hasa popular tourist attraction now.
坐落在長江之畔，這座美麗的古城現在成了受歡迎的旅游勝地。
背話題詞塊——有話可說
1.avoid traffic jams避免交通堵塞
2.traffic signal/light 交通信號燈
3.obey/observe traffic regulations 遵守交通規則
4.be aimed at 針對，旨在
5.be/ge tstuck in 被困在
6.break the speed limit 超速
7.hold up 耽擱，推遲
8.speed up 加速
9.slow down 放慢速度
10.set off 出發
