低钠血症的最早表现为
A.软弱无力B.腱反射减退C.肠麻痹D.心动过缓E.恶心、呕吐
参考答案:A
解析:[解题思路] 血K+低,可引起应激性减退,软弱无力为最早表现。
国际营销战略规划的制定过程包括哪几个步骤
Not until Tom got off the bus _______ his mobile phone missing.
A.did he find
B.he found
C.didn’t he find
D.he didn’t find