皮皮学,免费搜题
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【单选题】
不是免疫系统正常生理功能的是
A.
免疫防御
B.
免疫监视
C.
免疫耐受
D.
免疫调节
E.
免疫损伤
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【简答题】Both ____ and _____ laughter do harm to your health. A .burst out crying burst into        B. to burst out tears to burst into C. bursting into tears bursting into     D. bursting into crying   burs...
【单选题】—What should we do first if we want to develop our village ? —A lot of new roads ____ , I think. [     ]
A.
have to build
B.
must build
C.
have built
D.
must be built
【单选题】We’ve talked a lot _______ cars. What about trains?
A.
of
B.
with
C.
about
D.
in
【单选题】According to Robert Bell, if mobile phones prove to be dangerous to people/'s health,
A.
they should be banned immediately.
B.
the use of them should be restricted.
C.
all transmitter towers should be torn down.
D.
a warning label should be attached.
【单选题】The farm _______once we worked has changed a lot.
A.
where
B.
that
C.
which
D.
What
【多选题】违反毒品治安管理行为包括( )。
A.
非法种植罂粟不满500株或者其他少量毒品原植物
B.
非法买卖、运输、携带、持有少量未经灭活的毒品原植物种子或幼苗的行为
C.
以营利为目的,非法运输、买卖储存、使用罂粟壳
D.
非法持有鸦片不满200克、海洛因或者甲基苯丙胺不满10克或者其他少量毒品
【单选题】—What should we do first if we want to develop our village? —A lot of new roads_____, I think.
A.
have to build   
B.
must build 
C.
must be built
【单选题】— What should we do first if we want to develop our village? — A lot of new roads ______, I think. [     ]
A.
must build
B.
have to build
C.
must be built
D.
have built
【单选题】Till Roenneberg pointed out that___________.
A.
daylight saving time was beneficial to health
B.
people were fired of too much sunlight
C.
daylight saving time increased social jet lag
D.
social jet lag could be prevented and cured
【单选题】Scientists are convinced ________ the positive effect of laughter ________ physical and mental health.
A.
of; at
B.
on; at
C.
by; in
D.
of; on
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