题目内容
（请给出正确答案）
A．Sleep can strengthen memories.
B．Sleep can recover memories.
C．Sleep can protect memories against interference.
D．Sleep can harm memories.
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更多“A．Sleep can strengthen memories.B．Sleep can recover memories.C．Sleep can protect memor”相关的问题
A．Sleep is the first that can be sacrificed when one is busy.
B．They need more sleep to cope with the complexities of everyday life.
C．To sleep is something one can do at any time of the day.
D．Enough sleep promotes people's drive and ambition.
Many Americans believe that ______.
A．sleep is the first thing that can be sacrificed when one is busy
B．they need more sleep to cope with the complexities of everyday life
C．to sleep is something one can do at any time of the day
D．enough sleep promotes people's drive and ambition
A．Sleep is the first thing that can be sacrificed when one is busy.
B．They need more sleep to feel ideally vigorous.
C．To sleep is something one can do at any time of the day.
D．Less sleep does harm to their health.
What can we learn from the 3rd paragraph？
A．Sleep cycles can have a big impact on the different moods between the sexes.
B．Scientists searching on this issue are challenging each other's ideas and theories.
C．It has already been found out which reasons might have a greater influence on women's depression.
D．Genes is the deciding factor, there is such a big difference between men and women in terms of depression.
听力原文：M: I can read day and night.
W: Really？
Q: What does the man like to do？
(17)
A．Sleeping.
B．Eating.
C．Reading.
A、Bending strength and shearing strength
B、Bending strength and compressive strength
C、Bending strength
D、Tensile strength ,compressive strength and shearing strength
A、that they fails without obvious deformation
B、that their compressive strength is two times of their bending strength
C、that they can absorb high energy before cracking
D、that they fails without deformation
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