海外英语课件.pptVIP

IETS Reading Exercises Question 1-6 Read each of the following statements 1-6 .According to the information in the reading passage, write: YES NO NOT GIVEN 1.While certain genes are helpful to lengthen people’s lifetime, not everybody is lucky enough to possess them. 虽然某些基因有助于延长人的寿命，并不是每个人都幸运地拥有它们。 2. Hayflick limit is recognized as an anticancer mechanism,and Hayflick-limited cells play a positive role in maintaining a person’s youth. 海弗利克极限是公认的抗癌机理，并且海弗利克极限细胞在维持一个人的青春中发挥了积极的作用。 3.The mice in the experiment were not ordinary because they were injected the material called progeria which made them become old more swiftly than other mice. 在实验中的小鼠不普通，因为他们被注射的材料称为早衰症，使它们变老的速度比其它小鼠更快。 YES NO NO 4. Scientists confirmed that by increasing the number of cells which produce P16INK4A mice may have a more energetic life. 科学家证实，通过增加生产p16INK4A小鼠细胞数可能有一个更积极的生活 5. In Dr.Baker’s experiment on mice,the mice’s life-spans Were not prolonged. 在Dr.Baker的实验小鼠，小鼠的寿命不会被延长。 6. Experiment on removing the Hayflick limit and suppressing production of the oxidative chemicals were also conducted by Dr.Baker. 去除海弗利克极限和抑制氧化化学品生产实验都是Dr.Baker 进行的。 NOT GIVEN YES NOT GIVEN Question 7 从下列五个选项中选出三个正确的选项。 在贝克尔的实验中，用药喂养的老鼠可能表现出下列些症状 A.和正常的老鼠相比，它们的肌肉没有减少 B.当它们长大时，随着年龄增长会出现的问题没有在它们身上出现 C.它们更可能保持好的视力 D.它们可能享有更长的生命 E.和正常的老鼠相比，当它们变老时不会那么瘦骨如柴 （A、C、E） Choose the most appropriate word or phrase from those given in the box below.The first one has been done for you as an example.Note that you may use each word or phrase only once One thing brought about by Dr.Bakers experiment is an(8)________________ way of thinking about how to maintain peoples energy and lengthen their youth. While earlier scientific researches in this field are (9)____________________,all of them have a big flaw that they are against the(10)________________ of nature. innovative available order Th