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【简答题】
在卢瑟福散射公式 中 , Z 的物理意义是 。 其中M的物理意义是 。
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【单选题】Having affected the music recording and newspaper industries, the Internet is now ________________.
A.
affecting the teachers
B.
affecting the children
C.
churning through universities and colleges
D.
affecting the old people
【单选题】The activities organized by our school really gave us a platform _______ we learned team spirit.
A.
that
B.
where
C.
which
D.
when
【单选题】听力原文： Top public health experts are sounding a warning about the possibility of a bird flu pandemic. The dangerous avian flu virus has infected birds from East Asia to Europe. Human infections have be...
A.
Asian regions have been attacked by the disease.
B.
European birds are infected by virus.
C.
Only a few people have been infected by the disease.
D.
All the victims appear to get the disease from contact with birds.
【单选题】关于长效口服避孕药的叙述,下列哪项是正确的? ( )
A.
由长效雌激素炔雌醇与孕激素类配伍而成
B.
由长效雌激素炔雌醚与孕酮配伍而成
C.
是主要抑制排卵的避孕药
D.
是抗着床避孕药
E.
主要优点是应用时间不受月经周期限制
【单选题】The wild flowers looked like a soft orangeblank
A.
21.The wild flowers looked like a soft orangeblanket__________ the desert. ( 湖南 ) A.covering
B.
coverod
C.
cover
D.
to cover
【单选题】The possibility of a murder _____, the police have set about looking for the clues to her suicide. [ ]
A.
to be excluded
B.
to exclude
C.
having excluded
D.
having been excluded
【单选题】Having entered the room,the closer the visitor approaches the executive, ___
A.
the less it affected his status
B.
the lower his status
C.
the more it affected his status
D.
the higher his status
【简答题】These causes affected different regions differently in the 1990s, ______ Europe having as much as 9.8% of degradation due to deforestation.
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