乳牙由于容易误诊，窝洞较小不易操作，意外露髓后最好采用（） A.干髓术 B.直接盖髓

Task Reading:

下面是一篇应用文及其应用场合的信息，请阅读下列应用文和相关信息，并按照要求匹配信息。

首先，请阅读下列A----E运动学校、中心或俱乐部的信息：其中有一项是多余选项。

A．Riding School: You can start horse-riding at any age. Choose private or group lessons any weekday between 9 am and 8:30 pm (3:30 pm on Saturdays). There are 10 kilometres of tracks and paths for leisurely rides across farmland and open country. You will need a riding hat.

B．Sailing Club: Our Young Sailor's Course leads to the Stage 1 Sailing qualification. You’ll learn how to sail safely and the course also covers sailing theory and first aid. Have fun with other course members afterwards in the clubroom. There are 10 weekly two-hour lessons (Tuesdays 6 pm ~ 8 pm).

C．Diving Centre: Our experienced instructors offer one-month courses in deep-sea diving for beginners. There are two evening lessons a week, in which you learn to breathe underwater and use the equipment safely. You only need a swimming costume and towel. Reduced rates for couples.

D．Tennis Club: Learn to play tennis in the heart of the city and have fun at our tennis weekends. Arrive on Friday evening, leam the basic rules on Saturday and play in a competition on Sunday. There's also a disco and swimming pool. White tennis clothes and a racket are required.E. Watersports Club: We use a two-kilometre length of river for speedboat racing, and water-skiing. A beginners' course consists of ten 20-minute lessons. You will learn to handle boats safely and confidently, but must be able to swim. The club is in a convenient central position and is open daily from 9 am to 4 pm, with lessons all through the day.

请阅读下列运动爱好者的信息，然后匹配57---60 运动爱好者与拟加入的运动学校、中心或俱乐部：

57. Jack Anderson. Jack works in the city centre and wants to take up a sport that he can do regularly in his lunch hour. He enjoys activities which are fast and a bit dangerous.

58. Margaret Lillian. Margaret already plays golf at weekends. Now she has retired and wants to leam a new activity she can do in the countryside in the mornings.

59. Peter Florian. In six weeks' time, Peter is having a holiday on a Thailand island, where he plans to explore the ocean depths. He has a 9-to-5 job and wants to prepare for this holiday after work.

60. Alice Fingelhamm. Alice is 16. She wants to do an activity one evening a week and get a certificate at the end. She would also like to make new friends.

Paper three: Writing

正常菌群成为条件致病菌的条件有（）

A.细菌寄居部位改变

B.机体抵抗力下降

C.细菌毒力变异

D.细菌营养条件改变

E.菌群失调

请概括下列一段文字的主要内容。（不要超过25个字。）

        金属也会“疲劳”。这种疲劳可以引起车轮断裂，火车颠覆。据统计，金属构件有80%的损坏是由疲劳引起的。金属的内部结构不均匀，有的地方会成为应力集中区。内部缺陷处还会有许多小裂纹。在力的持续作用下，裂纹增大，直到材料不能继续负载应力，构件就会毁坏。在金属构件中添加各种“维生素”（稀土元素），采取“免疫疗法”等，是增强金属抗疲劳能力的有效办法。金属疲劳也能产生妙用，利用它的断裂特性制造的应力断裂机，可以切削许多过去难以切削的材料。

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土地管理是国家用以（）、调整土地关系和合理组织土地利用的一项国家措施。

A、维护土地所有制

B、维护农民利益

C、保护土地

D、提高土地利用率

治疗咽喉肿痛阴虚证，应选用以下哪经为主（）。

A.手太阴

B.足厥阴

C.足少阴

D.手阳明

E.手阳明