(2015·湖北宜昌第一中学月考)

　　1.For a person who suffers from the clinical death. 

　　A.he still has the possibility of getting back to life

　　B.his most important organs are damaged

　　C.he can not avoid final death

　　D.he is still very much alive

　　2.Scientists try to make the time of clinical death longer in order to. 

　　A.slow down the body’s metabolism

　　B.bring vital cells and tissues back to active life

　　C.delay the coming of biological death

　　D.cool the organism

　　3.How did the scientists put Keta into clinical death?

　　A.By surrounding her body with ice-bags and draining her blood.

　　B.By lowing her blood pressure and stopping her heart from beating.

　　C.By draining her blood,lowering her blood pressure and stopping her breathing.

　　D.By putting her to sleep,lowering her temperature and draining her blood.

　　4.All of the following indicate that the monkey has almost restored to her original physical state except the fact that. 

　　A.her heart beat again

　　B.she regained her normal breath

　　C.she rejected a penicillin injection

　　D.she acted as lively as a healthy monkey

　　【文章大意】本文是一篇科普说明文。科学家通过给猴子试验延长临床死亡的时间来推迟生物死亡的来临。

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