“两类间距离的平方式两类元素两两之间距离平方的平均数”是那种聚类分析方法的定义()

题型:单项选择题

问题:

“两类间距离的平方式两类元素两两之间距离平方的平均数”是那种聚类分析方法的定义()

A.中间距离法

B.最长距离法

C.最短距离法

D.类平均法

考点:市场调查与分析市场调查与分析题库
题型:单项选择题

上周末你带了个外国朋友游览了鼋头渚(the Turtle Head Park)。请根据要点写一篇短文。

1、鼋头渚是无锡最著名的名胜之一,每天吸引大量游客来赏景;

2、几年前,那里环境差,交通拥挤。有些游客不注意保护环境;

3、如今已经发生了巨大的变化......

4、将全身心投入学习,将来把无锡建成最适合人居的地方。

注意: 1、第3要点的内容须用2句话展开合理想象,作适当发挥;

2、词数80个左右,开头已给出,不计入总词数。

Last weekend, I showed a foreign friend around the Turtle Head Park.__________________

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题型:单项选择题

在市场经济条件下,资源配置中( )起基础性作用。

A.价格机制

B.供求机制

C.竞争机制

D.市场机制

题型:单项选择题

Reading comprehension.

     A study involving 8, 500 teenagers from all social backgrounds found that most of them are ignorant

when it comes to money. The findings, the first in a series of reports from NatWest that has started a five-

year research project into teenagers and money, arc particularly worrying as this generation of young people

is likely to be burdened with greater debts man any before.

     University tuition fees (学费) are currently capped at £3,000 annually, but this will be reviewed next year

and the Government is under enormous pressure to raise the ceiling.

     In the research, the teenagers were presented with die terms of four different loans but 76 per cent failed

to identify the cheapest. The young people also predicted that they would be earning on average £ 31.000 by

the age of 25, although the average salary for those aged 22 to 29 is just £ 17,815. The teenagers expected

to be in debt when they finished university or training, although half said that they assumed the debts would

be less than £ 10.000. Average debts for graduates are £ 12,363.

     Stephen Moir, head of community investment at the Royal Bank of Scotland Group which owns NatWest,

said. "The more exposed young people are to financial issues, and the younger they become aware of them,

the more likely they arc to become responsible, forward-planning adults who manage their finances confidently

and effectively."

     Ministers are deeply concerned about the financial pressures on teenagers and young people because of

student loans and rising housing costs. They have just introduced new lessons in how to manage debts. Nikki

Fair-weather, aged 15 from St Helens, said that she had benefited from lessons on personal finance, but

admitted that she still had a lot to learn about money.

1. Which of the following can be found from the five-year research project?

A. Students understand personal finances differently.

B. University tuition fees in England have been rising.

C. Teenagers tend to overestimate their future earnings.

D. The students' payback ability has become a major issue.

2. The phrase "to raise the ceiling" in paragraph 2 probably means "______".

A. to raise the student loans

B. to improve the school facilities

C. to increase the upper limit of the tuition

D. to lift the school building roofs

3. According to Stephen Moir, students ______.

A. are too young 10 be exposed 10 financial issues

B. should learn 10 manage their finances well

C. should maintain a positive attitude when facing loans

D. benefit a lot from lessons on personal finance

4. What can we learn from the passage?

A. Many British teenagers do not know money matters well.

B. Teenagers in Britain are heavily burdened with debts.

C. Financial planning is a required course at college.

D. Young people should become responsible adults.

题型:单项选择题

中华人民共和国公民的人身权利不受侵犯,如果要逮捕的话必须经过一定的程序,下 列说法错误的是( )。

A.经人民检察院批准

B.经人民法院和人民检察院决定

C.经人民检察院批准或者决定或人民法院决定

D.由公安机关执行

题型:单项选择题

通常将原料液进入的塔板称为()。

A.加料板

B.精馏段

C.提馏段

D.侧线出料口

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