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【单选题】
下列选项中，不属于造成黄土高原水土流失的原因的是（ ）A.
地理位置特殊，生态环境脆弱
B.
土质疏松
C.
气候干旱且多暴雨
D.
地质灾害频繁
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【简答题】Have you not heard the President over and over again address some of the major ch______ that exist in the present era?
【简答题】Kenya wants to organize a major international conference to discuss how to fight piracy(海盗) off the coast of Somalia. The conference may also deal with ways to rescue Somalia from seen years of c...
【简答题】下列卤化硼分子中,大 π 键最弱的是(
) (8.0分)A. BF 3 B. BCl 3 C. BBr 3 D. BI 3
【单选题】Why are numerals the most difficult for interpreters?A. Multi-digits carry 50 times more information than common semantic ones.B. Multi-digits carry 10 times more information than common semantic ones...
A.
M ulti-digits carry 50 times more information than common semantic ones.
B.
M ulti-digits carry 1 0 times more information than common semantic ones.
C.
M ulti-digits carry 2 0 times more information than common semantic ones.
D.
M ulti-digits carry 8 0 times more information than common semantic ones.
【简答题】《 咏怀古迹·其三 》这首诗歌属于( )体裁,从内容上看属于( )题材。
【简答题】The government couldn't rest on its present conditions and must press ahead with major policy ch______.
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