谷粒的组成？

DNA is the whole “map” of the human body. It is something that all human have, and it tells the body what to do. DNA is the reason that we look like our parents, because we get some of their DNA to make our own.

People have been trying to understand the human body for a long time. In 1860, Mr. Mendel discovered why we look the same as other people in our family. It is because of small things called “genes”(基因) in our body. In 1953, two scientists, Watson and Crick, found out that those small parts are really messages. They’re written in the DNA with a special language.

In 1961, another two scientists found the first “word” that they could understand in that language. It shows how DNA tells the cell(细胞) to build its parts. So far, scientists have found all the words in the DNA map, but we still do not understand what they all do. By understanding what just one “word” means, we can help to save people from several illnesses. So the more we understand, the more doctors will be able to do.

Most people hope that this will help to make better medicine and help sick people. Other people worry that when we learn more “words” and and find out more information, we will use it in the wrong way, just to make people more attractive, or stop sick people getting jobs.

小题1:When did Mr. Mendel discover why we look the same as other people in our family?

A．In 2000

B．In 1961.

C．In 1953

D．In 1860小题2:What did the two scientists find in 1961? They found ________.

A．all the words in the DNA map

B．small things called “genes” in our body

C．the first “word” they could understand in that language

D．those small parts are written in the DNA with a special language.小题3:How can we help sick people if we understand more “words” in the DNA map?

A．Make better medicine.

B．Make they get jobs.

C．Make maps for them.

D．Make them attractive.小题4:Which one is NOT TURE according to the article?

A．We look like our parents because of “genes” in our body.

B．We have understood what all the words in the DNA map do.

C．DNA is the whole “map” of the human body.

D．DNA tells the cell to build its parts.小题5:What do people think about this research about DNA?

A．It can be only bad.

B．It can be only good.

C．It can be good but won’t work.

D．It can be good and bad.

云梯消防车主要用于（）救人。

某种气敏传感器的检测曲线，从图中可以看出该传感器最适合用于哪种气体的浓度检测。

材料一：2007年投资率、储蓄率、消费率的国际比较

	投资率	储蓄率	消费类
中国	43.5%	49.9%	48.6%
全国平均	23%	20%	76%

      注：投资率通常是指总投资占国内生产总值的比率；储蓄率是指一国储蓄金额占国内生产总值的白分比。

材料二：1995—2007年我国经济发展与居民收入增长的相关数据

GDP年均增长	政府财政年均增长	城镇居民可支配收入年均增长	农民纯收入年均增长
10.2%	16%	8%	6.2%

  （1）材料一反映了什么经济现象?（2分）

（2）请运用经济常识有关知识，分析说明材料一反映的现象对我国经济发展的影响。（5分）

（3）受金融危机的影响，投资和出口对我国经济发展的拉动作用明显减弱，扩大国内消费成为今年拉动经济增长的重要举措。结合材料二信息，分析说明我国如何才能有效地扩大国内消费。（5分）

（4）2009年，我国推出许多扩大国内消费的措施，请列出其中一条，或者另外提出一条合理地建议。（3分）

汉大赋