下列哪项不符合低血糖的症状或表现()
A.心悸
B.手发抖
C.饥饿感
D.便频
E.皮肤多汗
参考答案:D
How do you suppose it is _____he arrived here ?
A when B before C after D since
试述长弧灭弧法的原理?