下列各项中不属于癫痫发作病因的是（）
A.低血糖症
B.高血糖症
C.停用抗癫痫药
D.高钙血症
E.低钙血症
参考答案：D
Each of us has __ _life goals, which will guide us to a bridge future. Without life goals, we may waste our lifetime.
A. a little B. few C. a few
混凝土强度分为（）等。
A.抗压强度
B.抗折强度
C.抗拉强度
D.抗弯强度
E.疲劳强度
