2017英语等级考试pets5级阅读理解每日练习八

1. The case of Ashanthi Desilva is mentioned in the text to _______。

[ A ] show the promise of gene-therapy

[ B ] give an example of modem treatment for fatal diseases

[ C ] introduce the achievement of Anderson and his team

[ D ] explain how gene-based treatment works

2. Anderson’s early success has_______。

[ A ] greatly speeded the development of medicine

[ B ] brought no immediate progress in the research of gene-therapy

[ C ] promised a cure to every disease

[ D ] made him a national hero

3. Which of the following is true according to the text?

[ A ] Ashanthi needs to receive gene-therapy treatment constantly.

[ B ] Despite the huge funding, gene researches have shown few promises.

[ C ] Therapeutic genes are carried by harmless viruses.

[ D ] Gene-doping is encouraged by world agencies to help athletes get better scores.

4. The word “tarnish” (line 4, paragraph 4) most probably means _______。

[ A ] affect

[ B ] warn

[ C ] trouble

[ D ] stain

5. From the text we can see that the author seems _______。

[ A ] optimistic

[ B ] pessimistic

[ C ] troubled

[ D ] uncertain