肾素-血管紧张素系统激活时
A.醛固酮分泌减少B.抗利尿激素分泌减少C.肾上腺素分泌减少D.肾排NaCl量减少
参考答案:D
(天津市河东区201 4年高三二模考试) 6.-What do you think made Jack so cxcited?
-______first prize in the national English Speaking Competition.
A.As he won
B.Won
C.Winning
D.Because of winning
在读压力表、温度表和液位计时,视线应与表盘成()角。