鼠害防治的主要方法有()。A.防鼠 B.化学灭鼠 C.器械灭鼠 D.生物灭鼠

题型:多项选择题

问题:

鼠害防治的主要方法有()。

A.防鼠

B.化学灭鼠

C.器械灭鼠

D.生物灭鼠

考点:物业管理实务第七节环境管理服务第七节环境管理服务题库
题型:多项选择题

Most people want to work, but in today’s word ,it is more difficult to find work for everybody.The economics of the world need to grow by 4% each year just to keep the old number of jobs for people.

Often this is not possible,and so more people are out of work.

Some people have no jobs now because new machines can do the work of many people do in a short time.Also, machines do not ask for more money and longer holidays. In all the countries of the world, machines are taking work from people ,not only in factories but also on the farms.

One machine can often do the work of forty people. About 75,000 people are moving to the cities a day to look for jobs ,but only 70% of them can find jobs .

小题1:The economics of the world need to grow to______.

A.get more money

B.keep the old number of jobs of people

C.make new machines

D.let people look for jobs小题2:Some people are out of work because _______.

A.of the machines

B.they are old

C.they ask for more money and longer holidays

D.they want to move to the cities小题3:About machines,which of the following is NOT RIGHT?________.

A. Machines can do the work of many people do in a short time.

B. Machines do not ask for more money and holidays.

C. Two machines can do the work of eighty people.

D. Machines cant’t take work from people at all.小题4:.How many people can’t find jobs every day _______?

A.75,000

B.52500

C.22500

D.52500小题5:.From the passage, we know _______.

A. it’s not possible for everybody to find work.

B. Machines can only take work from people in factories.

C. In the future , there will be enough jobs for everybody

D. Machines will do the work instead of people

题型:多项选择题

__________is reported in the newspaper, talks between the two countries are making progress.   [ ]

A. It      

B. As      

C. That      

D. What

题型:多项选择题

Actually, there are lots of jobs ________ in the western part of China.[    ]

A. available  

B. accessible

C. adorable  

D. admirable

题型:多项选择题
如图所示,AB是一质量为m的均匀细直杆,A端靠在光滑的竖直墙壁上,B端置于水平地面上,杆身与竖直方向夹角为θ,杆与地面的摩擦系数为μ,保持平衡,则此时杆与地面的摩擦力为(  )

A.mgtgθ

B.mgsinθ

C.μmg

D.μmg

题型:多项选择题

在数据库设计过程中,有如下基本数据:选手编号、选手姓名、性别、学校名称、学校地址,我们可以将其至少分为()。

A.2类

B.1类

C.4类

D.3类

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