下列疾病中不属离子通道病的有()
A.假肥大型肌营养不良症
B.低钾型周期性瘫痪
C.高钾型周期性瘫痪
D.正常血钾型周期性瘫痪
E.多发性肌炎
参考答案:A, E
选择正确图片的序号,将其填入相应句子前的括号里。
A. B. C.
( ) 1. Welcome to the library. There are many books in it.
( ) 2. This is our playground. It's very big.
( ) 3. The teacher's office is nice and clean.
选购安全帽时应检查其生产许可证编号、产品合格证。