问题 名词解释

马西斯文摘评价法

答案

参考答案:两步评价法,定量评价。第一步鉴定文摘是否符合现行的某项国家标准或国际标准,并规定如下定性指标:1最大程度2最小程度3题录格式4主题适应性5错误率6文体7句子完整性8结构格式。9)文摘类型,10及时性。第二步:确定文摘的“数据系数”她提出的计算公式是:DC=C/L(C是数据保留因子,L是长度保留因子)C=文摘中的数据总量/原文中的数据总量L=文摘长度/原文长度文摘和原文长度是根据他们所包含的词数量来计算的。计算后,DC值可能有一下几种情况。1)若DC<1,表示该文摘不能接受。2)若DC=1,表示该文摘达到可接受的最低限度。3)若DC>1表示文摘可以接受4)DC值越大文摘的质量越好。

阅读理解

阅读理解。

     Nowadays, in the United States and other western countries, some teens are choosing to become

vegetarians. That is, they choosing not to eat meat. There are many types of vegetarians, some of whom

don't even eat animal products such as milk, eggs, or yogurt. Having balanced meals is very important,

especially for teens who are growing up. So why are they becoming vegetarians? Well, each person chooses

to become vegetarian for different reasons; The most popular reason is just wanting to be healthier.

     I decided to become a vegetarian when I was 10 years old, and it was much easier than you might think.

But as a vegetarian, I have had a difficult time getting the proper nutrition (营养). Most doctors and scientists

say that being vegetarians is very healthy, but many people aren't choosing the correct food to supplement

(补充) the protein (蛋白质) in meat.

     If you're thinking about becoming a vegetarian, make sure that you look at your diet very carefully. And

of course, pay special attention to your health when doing so. Being a vegetarian isn't for everyone, so don't

be discouraged if you can't give up hamburgers and meat dumplings! Vegetables play an important role in

people's daily meals, so even if you are not a vegetarian, they are still good for you.

1. Some teens choose to become vegetarians mainly because _____.

A. they have no meat to eat

B. they want to keep healthy

C. they only like vegetables

D. they can grow up quickly

2. If you decide to become a vegetarian, you should _____.

A. eat only vegetables

B. do more exercise

C. become more careful in everything

D. get the proper nutrition

3. Which is the best title of this passage?

A. Becoming vegetarian

B. Eating no meat

C. Looking at your diet carefully

D. Protecting animals

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