首页
登录
职称英语
Complete the summary using the list of words, A-H, below.Write the correct lett
Complete the summary using the list of words, A-H, below.Write the correct lett
游客
2025-02-15
29
管理
问题
Complete the summary using the list of words, A-H, below.
Write the correct letters, A-H, in boxes 37-40 on your answer sheet.
Scientific Progress towards Extending Life Expectancy
In one experiment using anti -ageing chemicals, the life of 【R37】______ was extended by half. Besides, 【R38】______ like the ones which control the ageing process in these animals have also been found in other species. Unfortunately, however, experiments on 【R39】______ have been less successful: while they live longer, the 【R40】______ controlling their growth are also affected with the result that they grow less.
A chemicals B earthworms C fruit flies D genes
E hormones F human beings G mice H organisms [br] 【R39】
选项
答案
G
解析
文章在第五段提到另外一个在老鼠身上做的实验,结果令人忧虑(alarming results),指出这些基因也会控制操纵生长发育的荷尔蒙(hormones),虽然使得突变老鼠(mutant mice)的寿命延长了,但其体型却变小了。故39题答案为G,40题答案为E。
转载请注明原文地址:https://tihaiku.com/zcyy/3957285.html
相关试题推荐
Completetheflowchartbelow.ChooseNOMORETHANTHREEWORDSAND/ORANUMBERf
Completethenotesbelow.ChooseNOMORETHANONEWORDAND/ORANUMBERfromthe
Completethesentencesbelow.ChooseNOMORETHANTWOWORDSfromthepassagefor
Completethesentencesbelow.ChooseNOMORETHANTWOWORDSfromthepassagefor
Completethesentencesbelow.ChooseNOMORETHANTWOWORDSfromthepassagefor
Completethesentencesbelow.ChooseNOMORETHANTWOWORDSfromthepassagefor
Completethesummaryusingthelistofwords,A-H,below.Writethecorrectlett
Completethesummaryusingthelistofwords,A-H,below.Writethecorrectlett
Completethesummaryusingthelistofwords,A-H,below.Writethecorrectlett
Completethesummarybelow.ChooseNOMORETHANTWOWORDSfromthepassagefore
随机试题
Scientistsknowthattherearetwobasicapproachestoprolongingforlife.
[originaltext]IfyouareinanymajorcityinAmerica,thechancesarehig
Itisunlikelythatenoughqualifiedteacherswillbefoundunlessthereis____
Ifyouareayoungcollegestudent,mostofyour【B1】______aboutyourhealth
解剖上鼻咽部与颅底破裂孔相邻的结构是()A.咽隐窝 B.咽鼓管圆枕
患者男,35岁。近半年来常畏寒疲倦、易受凉,因咽痛、发热3天入院。查体见双侧扁桃
成人应用利福平的正确用法用量是A.每次0.1g,每日3次,重症者可增至0.6~0
召开年度绩效总结会的目的是()A:促进企业和员工共同提高和发展 B:对企业绩效
右图是探照灯柱的图示。为了防雷,在原有探照灯柱上加设了一支避雷针(接闪杆),后来
(2018年真题)下列计划中,不属于资源计划的是()。A.劳动力计划 B.施
最新回复
(
0
)