食物链、食物网是生态系统的营养结构,生态系统的物质循环和能量流动是沿着此渠道进行的。

题型:填空题 案例分析题

问题:

食物链、食物网是生态系统的营养结构,生态系统的物质循环和能量流动是沿着此渠道进行的。假如在某温带草原上存在如下图所示的食物网。请分析回答:

在生态系统的物质循环中,碳元素以()形式在生物群落与无机环境中进行循环,生产者通过()作用使碳元素进入到生物群落中,各种生物通过()作用使碳元素回到无机环境中。

考点:高中生物生态系统的结构和功能生态系统的结构和功能题库
题型:填空题 案例分析题

Friendship Day in India falls on the first Sunday of August every year. It is celebrated with many activities.

Young people in India spend the day with their closest friends and have fun together. Most youngsters in India plan a movie or have a meal with their friends. Many friends may go on a drive to tourist places or make a plan for camping. Some friends go to the supermarket to do some shopping. On Friendship Day, most stores offer discounted prices for customers and it is the perfect day to buy something for friends.

Some friends go to parties that are organized by many restaurants in order to attract youngsters. Such parties are very enjoyable. You can get food at a discounted price. Some friends just decide to meet up (碰头,相聚) at someone’s home and talk about their happy time. The time good friends spend sitting together and talking over a cup of coffee is precious and unforgettable.

Long-distance friends call up each other on this day and wish each other with warm feelings. Some of them even plan to meet up on this particular day. Yet some others plan a surprising visit just to see their friend gasp (喘息) in shock!

In 2009, Friendship Day in India falls on August 2nd.So don’t forget to celebrate it with your friends.

小题1:When is Friendship Day celebrated in India?

A.On August 2nd every year.

B.On the third weekend of August every year.

C.On August 1st every year.

D.On the first weekend of August every year.小题2:According to the text, which of the following is the most popular way that youngsters in India celebrate Friendship Day?

A.Traveling with friends

B.Seeing a film with friends

C.Dancing with friends

D.Going shopping with friends.小题3: How many ways are discussed in Paragraph 3 that friends spend Friendship Day together?

A.Two

B.Three

C.Four

D.Five小题4:The underlined phrase “a surprising visit” in Paragraph 4 refers to “____”.

A.a visit to a friend who hasn’t expected it

B.a visit to a friend who has dreamed of it for a long time

C.a visit to a friend who tries to avoid it

D.a visit to a friend who lives in a faraway place

题型:填空题 案例分析题

河漫滩相沉积是()期的产物。

A、冬季

B、平水

C、洪水

D、枯水

题型:填空题 案例分析题

针对给定资料反映的当前农技推广服务工作中存在的主要问题从政府主管部门的角度提出改进工作的基本思路。

[要求] ①问题定位准确;②思路建议具体可行;③表达简洁,700字左右。 

题型:填空题 案例分析题

某机床企业生产130型号机床,其年产量为10000台,每个机床需要型号为C1-001的齿轮2个。该企业年初运用在制品定额法来确定本年度车间的生产任务,相关信息及数据见下表:

在制品定额计算表

产品名称130机床
产品产量10000
零件编号C1-001
零件名称齿轮
每机床个数2
装配车间1出产量(台)30000
2废品及损耗(台)
3在制品定额(台)4000
4期初预计在制品结存量(台)3200
5投入量(台)
零件库6半成品外售量(个)500
7库存半成品定额(个)4000
8期初预计结存量(个)5800
加工车间9出产量(个)

加工车间的出产量为( )个。

A.26000

B.28500

C.29500

D.30000

题型:填空题 案例分析题

监狱在收押新入监的罪犯时必须填写( )

A.罪犯奖励审批表

B.罪犯评审鉴定表

C.罪犯入监登记表

D.罪犯暂予监外执行审批表

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