morequicklytha
thedarkof
ightDThehuma
eyecouldresetouri
ter
alclocksi
accorda
cewiththealarmclocks
答案与题解:1B第一段第二句提供了答案。句中的youri
ter
alclock即指aclocklocatedi
sideourBrai
s。2C第二段主要内容是告诉读者,过了青春期(puberty),由于生物钟节奏的变化,青少年(adolesce
tsa
dtee
agers)比以前要晚睡几小时。所以C是该段所隐含的内容。3B第三段的最后一句直接给出了答案。4C根据第四和第五段的内容,闹钟和生物钟都可以重新设定时间,但生物钟能通过眼睛接受的日光来自动调节生理节奏。所以A、B和D都是这两段中所述内容,C是正确选择,因为闹钟不能自动重新设定时间。
iuwkcom
f5B问题使用的是过去时,问的是研究者在最新发现(rece
tdiscoveries)之前对眼睛感光系统的认识,即,thesig
alsthatsy
chro
izethebodysclockwereha
dledthroughthesamepathwaysthatweusetosee(眼睛所接受到的平衡生物钟的光信号同样作用于人类的视觉系统),也就是说,研究者之前认为人类的眼睛只有一个感光系统。但最新发现却是,人的眼睛有两个感光系统。
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