确诊CO中毒最主要的依据是A．空气中CO的浓度 B．与CO接触的时间

搜题请搜索小程序“爱下问搜题”

问题单项选择题

确诊CO中毒最主要的依据是

A．空气中CO的浓度

B．与CO接触的时间

C．血液中碳氧血红蛋白的有无

D．昏迷的深度

E．缺氧的程度

答案

参考答案：C

解析：确诊CO中毒最主要的依据是血液中碳氧血红蛋白的有无，血液中碳氧血红蛋白阳性即可确诊CO中毒，根据血液中碳氧血红蛋白定量检查可判断CO中毒的严重程度。

听力题

根据下列句子及所给单词的首字母或中文，写出各单词的正确形式（每空限填一词）。

小题1:Health problems are closely connected with bad eating habits and a l of exercise.

小题2:Li Hui a a good knowledge of English during her stay in London Last year .

小题3:The boy has cut his finger and it is b heavily.

小题4:The bus came a of time , and Mary was not ready.

小题5:His mother still t him as a child though he is 25 years old .

小题6:We know this place well, so we can be your g .

小题7:If everybody helps a little , it really makes a d to our environment .

小题8:Our teacher was d that we were successful in our examination .

小题9:The doctor will see you again next week. M , you must rest as much as possible .

小题10:This coat is much too t_______. Please show me a bigger one.

填空题

请写出两个大于1且小于2的无理数（）。