【答案解析】[解析] 86-88 It's very nice to see so many faces here tonight. I'm Sergeant Morton. the Crime Prevention Officer for the area I'm here this evening to talk about "Local Watch". which some of you may have some experience of For the rest. "Local Watch" is a service formed by cooperation between local residents and the Police. and I'll be explaining how it operates. In times gone by, most people lived in one area all their lives and so the great majority knew their neighbors very well. If something unusual had happened or if strangers had been acting suspiciously，people would have taken action quickly. These days it's different and people often have little or no idea who their neighbors are. [词汇] It's very nice to see…见到……很高兴 I'm here this evening to talk about…我今晚来是想谈论关于……的话题 中级问题 首先通过说话者的自我介绍可以大概地猜出这是关于什么方面的一段话。谈话的目的是介绍一个叫做“Local Watch”的项目，通过谈话中出现的Police，strangers，acting suspiciously等词可以确认这是关于预防犯罪的谈话。
【正确答案】
B
【答案解析】高级问题 如果听到了文章中出现了本题的中心词Local Watch，那么后面的内容一定是关于此项目运行方式的介绍。虽然在(D)选项中出现了和文章中相同的句子(is a service formed by cooperation between)，可能会让大家混淆，但是由于后面的内容是local workers，不能成为正确答案。要注意在选项中把文章里的cooperation换成了collaborate together。把local residents换成了neighbors，但是意思还是不变，这样就可以确定正确答案了。
【正确答案】
B
【答案解析】中级问题 在表示文章转折意思的部分中，一般情况下会有提示性的核心线索，比如however，but等等，本段话中扮演这个角色的短语是These days it's different(最近有些不同)。说完过去的情况之后，以下的部分是对于最近情况的介绍。(D)选项可能会带来一些障碍，但是由于在文章中没有直接提到，所以相比之下还是(B)选项更明确。