下列哪项是诊断急性肾衰竭更可靠的指标
A．高钾血症
B．血肌酐突然增高
C．尿钠＞20mmol/L
D．血尿素氮突然增高
参考答案：B
6. What___ it is to have a cold drink after an _____ game!
A．fun, exciting
B．a fun, exciting
C．funs, excited
D．fun, excited
“弄涛儿向涛头立，手把红旗旗不湿。”请问这句诗描写的是杭州的哪个景点？
