题目内容
5.DNA is the whole"map"of the human body.It is something that all humans 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 similar to 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 real messages.They are 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 to help sick people.Other people worry that when we learn more"words"and find out more information,we will use it in the wrong way,just to make people more attractive (有吸引力的),or stop sick people getting jobs.
61.When did Mr.Mendel discover why we look like other people in our family?D
A.In 2000.
B.In 1961.
C.In 1953.
D.In 1860.
62.What did the two scientists find in 1961?They foundC.
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
63.How can we help sick people if we understand more"words"in the DNA map?A
A.Make better medicine.
B.Make them get jobs.
C.Make maps for them.
D.Make them attractive.
64.Which one is NOT TRUE according to the article?B
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.
65.What do people think of this research about DNA?D
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.
分析 这篇短文简要的介绍了DNA的发现历史,并介绍了这一发现对于人类生活的影响及人们对此的不同意见.
解答 答案:61.D 细节理解题.根据第二段句子In1860,Mr Mendel discovered why we look the same as other people in our family.1860年,Mendel先生发现了为什么我们看起来和我们的家人一样.可知是1860年.故选D.
62.C 细节理解题.根据第三段句子In1961,another two scientists found the first"word"that they could understand in that language.在1961年,另外两位科学家发现了第一个word,他们可以用那种语言理解.可知他们可以用这种语言理解第一个词.故选C.
63.A 细节理解题.根据最后一段句子Most people hope that this will help to make better medicine and help sick people.大多数人希望这将有助于药物能更好的来帮助生病的人.及上文描述,可知制作更好的药物.故选A.
64.B 细节判断题.根据第三段句子So far,scientists have found all the words in the DNA map,but we still do not understand what they all do.到目前为止,科学家们已经在DNA图谱中找到了所有的信息,但我们仍然不明白他们所做的都是什么.可知我们已经了解了DNA图谱中所有的信息是错误的.故选B.
65.D 细节理解题.根据整篇文章内容及其最后一段句子Most people hope that this will help to make better medicine to help sick people.Other people worry that when we learn more"words"and find out more information,we will use it in the wrong way,大多数人希望这将有助于药物能更好的来帮助生病的人.其他人则担心,当我们学习更多的信息时,会发现更多的信息.我们会用错误的方式使用它.可知人们对这一发现持正反两方面的意见.可能好可能坏.故选D.
点评 在通读全文的基础上,根据全文大意,展开逻辑思维,瞻前顾后,认真观察选项,仔细推敲,确定最佳答案.
| A. | taken off | B. | put off | C. | got off |
| A. | lives | B. | lived | C. | has lived | D. | had lived |
| A. | clean | B. | cleans | C. | to clean |
| A. | visit | B. | have visited | C. | visited |