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【多选题】
等高线的特性有A.
坡缓的地方，等高线稀疏
B.
坡陡的地方，等高线密集
C.
同一等高线上高程相等
D.
等高线和山脊线、山谷线平行
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举一反三
【单选题】Sometimes they end on a medal stand. And sometimes you have to look a bit harder to find gold.
A.
Sometimes you can't find your favorite player as they can't make it to the TV screen.
B.
Sometimes you have to find your favorite Olympic story out of the court.
C.
Sometimes the best Olympic stories happens when they fail in the games.
D.
Sometimes you need to try harder to find the most memorable Olympian and his story.
【简答题】Sometimes you'll hear people say that you can't love others until you love yourself. Sometimes you'll hear people say that you can't expect someone else to love you until you love yourself. Either way...
【多选题】下列各式中,其计算结果等于贡献边际率的有( )
A.
单位贡献边际 / 单价
B.
1- 变动成本率
C.
贡献边际 / 销售收入
D.
固定成本 / 保本量
E.
固定成本 / 保本额
【单选题】—What do you think of summer in Nanjing? —Well, it’s sometimes ______ hot and sometimes there is ______ rain.
A.
too much, much too
B.
too much, too much
C.
much too, much too
D.
much too, too much
【单选题】Sometimes an ad can lead you to buy something you don't need at all. 'Sometimes' means______. [ ]
A.
at times
B.
at other times
C.
at the same time
D.
at a time
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