大量饮清水后尿量增加主要原因是
A.K+外流B.Ca2+内流和K+外流C.Na+内流D.Ca2+缓慢内流E.Na+和Ca2+内流
参考答案:D
回答问题。
1. When do you usually get up in the morning?
______________________________________________________
2. What's your favourite class at school?
3. What do you usually do on the weekend?
4. What's your favourite season in a year?
5. What do you usually do in that season?
6. When do you go to bed?
仔细阅读材料,根据材料内容,谈谈各级政府、部门在开通社情民意通道中还存在哪些问题及其产生的原因。要求:紧扣材料,语句通顺,客观公正。