问题 单项选择题

诊断成年女性贫血的标准为血红蛋白浓度低于

A.140g/L

B.130g/L

C.120g/L

D.110g/L

E.100g/L

答案

参考答案:D

识图题 

① 这幅图反映了什么时期的什么工程?

                                                                                                                                                             

② 这个工程是哪一位皇帝主张开凿的?

                                                                                                                                                             

③他分为哪三个点,哪四个段?

                                                                                                                                                             

④这个工程我国历史上的地位如何?

                                                                                                                                                             

⑤这个工程有何作用?

                                                                                                                                                             

多项选择题