1. The 1st passage implies that____.
A. science is still far away from perfection
B. it’s difficult to engineer a perfect human
C. it’s 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
参考答案:AABBD
地址:北京市海淀区理工科技大厦 电话: 400-617-2669