For all the fevered work being done, however, science is still far away from the Brave New World vision of engineering a perfect humanor even a perfect tomato. Much more research is needed before gene therapy becomes commonplace, and many diseases will take decades to conquer, if they can be conquered at all.
In the short run, the most practical way to use the new technology will be in genetic screening. Doctors will be able to detect all sorts of flaws in DNA long before they can be fixed. In some cases the knowledge may lead to treatments that delay the attack of the disease or soften its effects. Someone with a genetic heart disease, for example, could follow a low-fat diet. And if scientists determine that a vital protein is missing because the gene that was supposed to make it is defective, they might be able to give the patient an artificial version of the protein. But in other instances, almost nothing can be done to stop the damages brought on by genetic mutations.
1. The 1st passage implies that
A. science is still far away from perfection
B. its difficult to engineer a perfect human
C. its difficult to create a perfect tomato
D. many diseases will take decades to conquer
2. According to the author, many human diseases
A. may be conquered.
B. will be surely conquered.
C. may not be conquered.
D. may never be conquered.
3. What does in the short run mean?
A. to run in a short time
B. for the near future
C. for the time being
D. after enough time
4. The use of the new technology in genetic screening includes all the following EXCEPT
A. detecting all sorts of flaws in DNA
B. fixing all sorts of flaws in DNA
C. treatments that delay the attack of the disease
D. artificial version of the protein
5. Which of the following is the best title of the passage?
A. genetic engineering
B. genetic screening
C. a new technology
D. Application of genetic engineering
雅思作文开头局势之提出观点写法
雅思写作论点分析:个人与国家
雅思写作语法要地道
雅思写作:task 1和task 2的时间该如何分配?
雅思写作中常用的关联词整理
雅思议论文得分要点
备考雅思写作话题——从阅读开始
雅思写作词汇不够怎么办
雅思大作文审题偏差成因及应对方法
专家教你解决雅思写作字数不够的问题
雅思写作:深度分析考官范文
雅思小作文百变句式
雅思写作组合句型总结
雅思写作审题如何更准确
雅思写作:词汇突破绝招
雅思写作考试如何构建文章结构?
雅思写作考试如何从细节中提升?
雅思写作task1基础语句50条(下)
15个雅思写作难度话题
雅思写作文章结构总结
雅思写作出镜率最高的词组们
雅思写作:多样性助你的高分
雅思写作模拟练习集锦
不讲道理的雅思大作文
中国考生雅思写作成绩低的原因分析
详解雅思写作中的英汉表达差异
雅思写作媒体素材
雅思小作文introduction介绍段高频表达
绝佳练习素材:雅思写作真题大集合
中国考生的雅思写作失分点总结
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |