Those animals studies have shown that the "neurogenesis" in some parts of the brain can be
A. doing exercise
B. taking medical treatment
C. having a good rest
D. learning more knowledge
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According to the text,______.
A. war is a good way to solve economic problems
B. subsides for renewable energy is impractical
CO2 emission is profitable in Europe
D. the government should pay for the cost of pollution
According to the passage, the reason for a person's popularity is______.
A. mainly due to the job he is doing
B. all because of his facial appearances
C. still unknown and hard to be discovered
D. all for his open and active characters
听力原文：W: I don't know why we haven't heard anything from Jane about Sunday.
M: We've been in and out all week. Maybe we should try calling her.
Q: What does the man say about Jane？
(13)
A. She's probably been in and out all week.
B. She is probably not here on Sunday.
C. She has probably no free time this week.
D. She has probably tried to call.
The word "synergy" (Line 1, Para 2) most probably means______.
A. cooperative interaction
B. discord of action
C. disagreement of opinion
D. diversity of idea
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