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【判断题】
Some people are heavy sleepers, which means they sleep heavily and which is contrast to light sleepers.A.
正确
B.
错误
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【简答题】When Geoff Marcy was 14, his parents bought him a telescope. Every night, he would go onto the roof outside his window to see the wonders of the sky. “What excited me most was whether there were plane...
【单选题】When Geoff Marcy was 14, his parents bought him a telescope. Every night, he would go onto the roof outside his window to see the wonders of the sky. 'What excited me most was whether there were plane...
A.
He is fond of watching Jupiter.
B.
He is from a scientist family.
C.
He dislikes working with Paul Butler.
D.
He is interested in finding life in outer space.
【简答题】阅读理解。 Planet Hunter When Geoff Marcy was 14, his parents bought him a telescope. Every night,he would go onto the roof outside his window to see the wonders of the sky. ' What excited me most was whet...
【单选题】风险是评价系统危险程度的指标。下列有关风险的说法，正确的是( )。
A.
事故发生的概率很小，风险就一定小
B.
事故发生的概率很大，每次后果不严重，风险也可能会很大
C.
单位时间内伤亡的人数是判断风险大小的惟一依据
D.
单位时间发生事故的次数是判断风险大小的惟一依据
【简答题】Finding a roof____ their head has become a real problem for thousands of young people seeking a home of their own.
【单选题】风险是评价系统危险程度的指标。下列有关风险的说法，正确的是（ ）。
A.
事故发生的概率很小，风险一定就小
B.
事故发生的概率很大，每次后果不严重，风险也可能会很大
C.
单位时间内伤亡的人数是判断风险大小的唯一依据
D.
单位时间发生事故的次数是判断风险大小的唯一依据
【单选题】患者，男性，82岁，长期便秘，遵医嘱行小量不保留灌肠。 灌肠筒液面距肛门应为
A.
20cm以下
B.
30cm以下
C.
40cm以下
D.
50cm以下
E.
60cm以下
【单选题】Finding a roof ____ their head has become a real problem for thousands of young people seeking a home of their own.
A.
over
B.
on
C.
in
D.
with
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