第八章单元测试
At some point in life, often in the 30's, the tell-tale signs of aging begin to be apparent
From which moment, each of our cells—and, hence, our tissues and organs—begins a process of aging?
Of the roughly 150,000 people who die each day across the globe, about _______________ die from age-related causes.
____________may slow with age, while knowledge of world events and wisdom may expand
In the broader sense, ageing can refer to single cells within an organism which have ceased __________.
A:50’s B:30’s C:20’s D:40’s
答案:30’s
A:
conception
B:puberty C:infancy D:childhoodA:two fourths B:one third C:
two thirds
D:one fourthA:leisure time B:sleeping time C:Eating time D:
Reaction time
A:working B:
dividing
C:seperating D:breaking
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