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A “Gap Year” is a period of time when a student takes a break before going to university. It is often spent travelling or working. It can give young people useful learning experiences and new skills.

Gap years are popular with European and Australian students, but remain less popular in America. However, in recent years, more and more American students are preparing for college by taking a gap year. The advantages of taking a gap year are as follows：

Learn about the World and Yourself

Although you don’t have to go abroad to experience gap years, most gap year students catch the chance to travel abroad. You are able to work out who you are and what you are for. The experiences of different cultures offer you interesting lessons. You can learn more about the world and get to know yourself better.

Face Challenges and Have Fun

A gap year is not only a time to take a vacation_, but also a time to face challenges. Gap year students usually work, volunteer or take service projects. You have to learn how to get along in the real world. This process isn^’t always easy, but it is an important part of growing up. Only in this way can you enjoy life and have fun.

Save Money and Improve Your College Admission Chances

There^’s a common thought that gap years are only for rich students_, but it’ s not true. Actually, taking a gap year can save your money. Gap year students often take a part-time job. Besides, at the end of a gap year, students are much more likely to know what to study in college. Clear learning goals ran keep the students working hard instead of wasting time and money playing.

Imagine an admission officer trying to admit (录取) only one between two students. Both of them are excellent and have high grades. However, one student has much practical experience or has volunteered in his vacation. Who do you think the admission officer will choose?

小题1:A “Gap Year” means       in the passage.

A．going abroad in a year for further education

B．travelling around the world in a year

C．taking a break before going to a university

D．doing a part-time job to make money during a vacation小题2:Besides having fun, gap year students have to face the        .

A．money

B．information

C．vacations

D．challenges小题3:Having a gap year may make you       .

A．become very rich

B．remain less popular

C．experience foreign cultures

D．have no chance to break小题4:The last sentence implies(暗含) that       will probably be admitted by the admission officer.

A．either of the two students

B．the student with high grades

C．neither of the two students

D．the .student with a gap year experience

货币出现以后，人们把货币看得很神秘，使货币成为财富的一般代表，这是因为货币的本质 [ ]

A．是商品发展的产物

B．是商品

C．由贵金属来制造的

D．是一般等价物

下列哪项是Kussmaul呼吸特点（）

A.呼吸消失

B.规则呼吸后出现长周期呼吸停止又开始呼吸

C.不规则呼吸呈周期性，呼吸频率和深度逐渐增加和逐渐减少，以致呼吸暂停相交替出现

D.呼吸深快

E.一段正常呼吸节律中插入一次深大呼吸

小明同学将一块光亮的纯铜片放在酒精灯火焰上灼烧，发现铜片表面全部变黑．请你一起参与以下探究．

(1)提出问题：黑色物质的成分是什么? (2)查阅资料：①酒精在不完全燃烧时会产生炭黑．

②炭黑不与稀酸反应，也不溶于稀酸；氧化铜可与稀酸反应而溶解．

(3)猜想与假设：黑色物质可能是a：氧化铜，b：炭黑，c：           

(4)实验方案：取一小片变黑的铜片，放入盛有足量        (填化学式)溶液的试管中，观察现象．

(5)现象与结论：若现象是       ，则猜想a正确，试写出发生反应的化学方程式                        ；

公安机关进行刑事诉讼，接受人民检察院的法律监督。