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【单选题】
红细胞计数医学决定水平作为诊断贫血的界限是（）。A.
低于6.5×10 12 /L
B.
低于5.5×10 12 /L
C.
低于4.5×10 12 /L
D.
低于3.5×10 12 /L
E.
低于2.5×10 12 /L
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反馈参考答案：
举一反三
【单选题】九年(1)班同学在准备以建国七十周年辉煌的经济建设成就为主题的黑板报。下列可作为该板报素材的有 1第一颗原子弹成功爆炸 2外汇储备连续多年居世界第一 3中国成为世界第二大经济体 4我国已建成社会主义法治国家
A.
①②
B.
①④
C.
②③
D.
③④
【简答题】次の言葉の意味に当たる外来語を書きなさい。 1、智力竞赛、猜谜( ) 2、水果( ) 3、番木瓜( ) 4、可乐( )
【简答题】阅读理解。 One day at a park, a woman sat down next to a man on a bench (长椅) near a playground. “That’s my son over there,” she said, pointing to (指着) a little boy in a red sweater. 'He’s a lovely boy,” th...
【简答题】The students start arriving on our upper playground from about 8:45 am. School begins at 8:55 am. The children do their early morning work while their class teacher takes the attendance register (记录，登...
【单选题】听力原文： 'Go to the playground and have fun.' Parents will often say to their kids. But they should remember playgrounds can be dangerous. Each year about 200,000 children end up in hospital emergency ro...
A.
Children don't get enough education in safety.
B.
The playgrounds are in poor condition.
C.
The playgrounds are overcrowded.
D.
Children are keen on dangerous games.
【单选题】This playground is ______ the playground we had in our high school.
A.
ten times larger
B.
ten times that of
C.
ten times as large as
D.
as large as ten times
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