医院给病人输氧时用到类似如图所示的装置．关于该装置，下列说法不正确的是_刷题宝

题干

医院给病人输氧时用到类似如图所示的装置．关于该装置，下列说法不正确的是（　　）

A：b导管连接供给氧气的钢瓶

B：b导管连接病人吸氧的塑料管

C：使用该装置可以观察氧气的流速

D：使用该装置可以观测氧气是否输出

上一题下一题 0.0难度选择题更新时间:2016-02-16 04:03:06

答案(点此获取答案解析）

B

同类题1

设函数f（x）=x（x﹣1），以下结论正确的是（　　）

同类题2

图中曲线表示正常成年人血液中化学物质X随时间变化的情况,下列有关叙述错误的是（）

同类题3

As we know，there 1 four seasons in China . It's 2 in spring（春）, hot in 3 , cool in autumn(秋) and cold in 4 . My 5 season is winter. Sometimes it snows（下雪）. Everything is all white. The world 6 clean and fresh(新鲜). I can go skating then.
But Kitty likes summer 7 than winter. She says summer is 8 for sports. She can go 9 , sometimes in a lake and sometimes in a river. She 10 it very much .

同类题4

碳循环不平衡带来的环境问题是( )。

同类题5

---- Why do you look so angry?
---- I have taught him the problem three times, but he made mistakes again. That really makes me m____.

小学学科试题库

初中学科试题库

高中学科试题库