问题 单项选择题 A1/A2型题

关于呼吸正确的是()

A.正常的呼吸频率是16~25次/分

B.呼吸频率与心率比为1:5

C.体温升高1℃,呼吸增加10次/分

D.呼吸过速指呼吸频率超过30次/分

E.呼吸过缓指呼吸频率低于12次/分

答案

参考答案:E

问答题

       日本历史上有哪两次重大改革?分别出现在何时?对日本各产生了怎样的影响?

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

单项选择题 共用题干题