搜题请搜索小程序“爱下问搜题”
问题 单项选择题 A1型题

Ⅰ型肾小管酸中毒是由于（）

A.远端肾小管泌氢障碍

B.近端肾小管重吸收HCO3障碍

C.醛固酮分泌不足

D.肾小管对醛固酮反应低下

E.肾小球滤过功能低下

答案

参考答案：A

单项选择题

Woman: Is the rescue crew still looking for survivors of the plane crashMan: Yes, they have been searching the area for hours, but they haven't found anybody else. They'll keep searching until night falls.Question: What do we learn from the conversation

A．All the passengers were killed.

B．The plane crashed in the night.

C．No more survivors have been found.

D．It's too late to search for survivors.
查看答案
单项选择题

对承租人而言，与购买设备相比，租赁设备的优越性在于( )。

A．租赁期间所交的租金总额一般低于直接购置设备的费用
B．租用设备在租赁期间虽然不能用于担保，但可用于贷款抵押
C．可避免通货膨胀和利率波动的冲击，减少投资风险
D．租赁合同的规定对承租人的毁约有一定的保护
查看答案