1. The smart criminal always paid _____ cash, so the police could not track him down.

A. on　 　　　　　　　　　　　 B. by　 　　　　　　　　　　 C. in　 　　　　　　　　　　　 D. for 　长宁

Nowadays bargains are a 　1　 sight in our society.Almost every shop is full of bargains.In fact,nearly all kinds of commodities can be sold　 2　 a discount,which ranges [JP+3]from 10 percent to even 90 percent,?　 3　 your wildest 　

imagination.

However,let^,s have a closer look and see it in its true colors:it is nothing other than a dirty　 4　 to cheat some silly people out of their money.Shoppers will lose nothing because they already　 5　 the price before making discount.Furthermore,the real danger comes?　 6　 some people,otherwise seemingly clever fellow,burst into a kind of “purchasing impulse(冲动)”.They buy a lot because it is offered at a low and advantageous price and there seems to be a hundred reasons　 7　 (back)the will.

Obviously,some measures must be taken to stop this dangerous?　 8　 (tend).First of all you?d better have an understanding of the nature of bargains,knowing it nothing else but a commercial trick.In　 9　 ,learn to wait.Just leave the idea aside for a few days and see　 10　 happens.You^,ll realize later you^,ve made a wise choice.　

A new campaign to ban smoking in taxis is part of a wider push to clean up　 the city^,s image before the 2010 World Expo(2010年世界博览会).The Shanghai Dazhong Taxi,a taxi company,said drivers　 1　 (find)smoking in their cabs could “possibly” be fined or even temporarily banned　 2　 working.Signs　 3　 (place)in all of the taxi company^,s 9,100-strong fleet(车队)saying “No Smoking in Taxis.Welcome to Shanghai World Expo”.

“We hope the sanitation(卫生环境)of cabs in the city will be improved through our no-smoking campaign,?　 4　 is a mutual benefit for　 5　 drivers and passengers.”

Dazhong said it would　 6　 (close)monitor the campaign^,s progress.

Drivers caught smoking will undergo the company?s training and inspection program.“Cabs found to have cigarette smell will be called back”,Zhao said.

Many taxi drivers smoke　 7　 (relax)from working long hours.The official admitted?　 8　 would not be an easy task to achieve a total smoke ban in a short time.

“Promoting non?smoking taxis in the whole city is　 9　 long journey,” Zhao said.“?　 10　 having a long way to go,we are confident of fulfilling our ‘smoke?free taxi’ program in the city through our diligence.”