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【单选题】
维生素D的主要生化作用是A.
促进Ca 2+ P的吸收
B.
促进Ca 2+ P的排泄
C.
促进K+Na+的吸收
D.
促进胃肠道对Ca 2+ P的吸收
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举一反三
【单选题】How do flying foxes care for the young ones? ( )
A.
They only care for their own babies.
B.
They share the feeding of their young.
C.
They help when a baby bat is in danger.
D.
They often leave home and forget their young.
【简答题】电子线路安装时,要求所有插入焊盘孔的元器件引线及导线均采用直脚焊形式,剪脚留头在焊面以上 。
【单选题】How does the woman describe 15th Street?
A.
As having many fine stores
B.
As an important commercial route
C.
As having historical architecture
D.
As providing access to many neighborhoods
【单选题】-----How many elephants have you seen? ---- .
A.
No one
B.
None
C.
Not many ones
D.
Not many.
【单选题】How many abdominal injuries in children were caused by bicycle accidents?
A.
Thirty.
B.
Ninety.
C.
50 percent.
D.
More than athird.
【简答题】如何立足本职,爱岗奉献?
【简答题】国家标准中规定的综合布线系统里没有交换机、路由器等有电源设备,因此我们常说“综合布线系统是一个_______系统”。
【简答题】第三次作业中文.doc
【单选题】某男,35岁,近2周因躁狂发作,每天仅睡2-3小时,稍有不如意就乱扔东西或冲动打人,劝说无效,入院后提供的生活环境条件适宜的是( )
A.
墙面为暖色调
B.
尽可能单人房间
C.
病室内除了床不需要家具
D.
窗户为移动式
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