问题 单项选择题 A1型题

下列关于变异系数的说法,错误的是()

A.可以比较均数相差悬殊的几组资料的离散程度

B.可以比较计量单位不同的几组资料的离散程度

C.与标准差一样都是用来描述资料变异程度的指标,都有单位

D.变异系数的实质是同一个资料的标准差与均数的比值

E.变异系数可以用来描述正态分布资料的变异程度

答案

参考答案:C

阅读理解

Part I: _________________________                 

If you are hunting a chance to improve yourself in English, TOP ENGLISH CITY will be a smart choice.We are members of "the International Language Workshop" and enjoy both of the good honor in English teaching and high quality of our teaching team.We provide affordable, excellent English training programs for those who want to improve both their English knowledge and their language skills.

In TOP ENGLISH CITY, you will be a top English-speaker among your competitors and enjoy the advantage that your competitors have not.You will be proud of being a member of TOP ENGLISH CITY.

Courses designed:

Basic Studies:Sat.8:00-10:00 a.m.

Intermediate(中级)Spoken English: Sun.8:00-10:00 a.m.

Standard Spoken English: Sat.8:00-10:00 a.m.

Basic Business English: Sun.8:00-10:00 a.m.

Intermediate Business English: Sun.7:00-9:00 p.m.

TOEFL Super Studies… Sun.7:30-9:30 p.m.

Children's Weekend: Sat.&.Sun.8:00 a.m. -5:00 p.m.

For more information, please contact:

Room 807 American Plaza Tianhexi Rd, 510150 Guangzhou

Tel: 86668888-8807

Part II : ENGLISH SALON

A place for you to practise your English, to exchange your English learning experiences, to know more about the culture of English-speaking countries, to make more friends who can speak very good English.

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How to Join:

We are a group with membership system, so if you want to join our group, please make an application to the Tianhe Office of Top English City, filling in the applying forms.You will be given a salon ID card, and becomes our member.

The Qualifications:

You must be fluent in English-speaking or / and an English lover.Those who are now learning English in the Top English City will be advantageous.

For more information, please contact:

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小题1:Which of the following can be the best title for Part I?

A.Top English, your smart choice!

B.If you want to learn English, we can teach you!

C.Top English, the best English!

D.We have what you want!小题2:Which of the following courses can be learned by the same person________?

A.Basic Studies and Standard Spoken English.

B.Intermediate Spoken English and Basic Business English.

C.Standard Spoken English and TOEFL Super Studies.

D.Intermediate Business English and TOEFL Super Studies.小题3: If you work in a foreign firm, you probably take the course______.

A.Standard Spoken English

B.Intermediate Business English

C.TOEFL Super Studies

D.Children's Weekend小题4: If you want to join the English Salon, you should at least ________.     

A.be a university graduate

B.be a student learning English in the Top English City

C.make more friends and know more about the culture of the English

D.be an English lover or can speak English well

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