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【单选题】
在分析数据的离散趋势时,( )只能用比率来考察。A.
定类变量
B.
变量
C.
定距变量
D.
变量
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举一反三
【单选题】It can be inferred from the passage that the sun ______ .
A.
is approximately halfway through its life as a yellow dwarf
B.
has been in existence for 10 billion years
C.
is rapidly changing in size and brightness
D.
will continue as a yellow dwarf for another 10 billion years
【单选题】The destruction of the Twin Towers in New York City ( ) shock and anger throug world.
A.
summoned
B.
tempted
C.
provoked
D.
enveloped
【简答题】简述福利国家论的主要观点
【简答题】It is clear that the whole world is passing through asocial revolution in which a central _____ must be taken by scientists andtechnologists. A. process B. attention C.measure D. part
【单选题】They want to strengthen their relationship throug
A.
reforming the campanies
B.
taking in more parnters
C.
appointing a new general manager
D.
mutual hard work
【单选题】听力原文：A: After the way it is being used, the photocopier is not going to make it through the rest of the year. B: The year! It's supposed to be good for four! The tone of the man is that of______.
A.
surprise.
B.
sarcasm.
C.
disappointment.
D.
humour.
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