4. The concerts can attract so many people mainly because__________.

　　A. the attendants don't have to pay.

　　B. the seating is on a first come basis

　　C. they provide free picnic supper

　　D. they are held in open air

　　5. The phrase "soak up" in the last paragraph probably means__________.

　　A. absorb B. warm up C. enjoy D. use up

　　答案：

　　1. C.细节题。答案在第一段As a service to citizens， they rent out space to performers free of charge作为提供给市民的一项服务，公园是免费提供表演场地的。与C项中的serve the public 相对应。

　　2. B.细节题，答案在第一段Often such concerts are sponsored by a large corporate organization，演出是由大型公司赞助的。

　　3. A.细节题，答案在第一段Semi-professional artists are pleased to get the chance to perform before the public to perfect their craft and nurture the hope of being discovered before beginning a professional career.半职业艺人很乐意在公众面前表演来提高自己的演技，同时希望自己的才能被发现，从而开始自己的职业生涯。故选A.

　　4. A.细节题。答案在最后一段，最后一句话The best part of it all is that it's free!最主要的是演出时免费的。

　　5. C.猜词题。在最后一段，前面提到被打搅的地方就是头顶上飞机降落的声音和救护车救护时鸣笛的声音，但是这些不重要，重要的是在户外的新鲜空气中沉浸在音乐创造的氛围里，和朋友一起度过。故soak up 在此处应该还是"享受"意思。