格林-巴利综合征与周期性麻痹的区别主要是（）
A.感觉障碍
B.运动障碍
C.血钾改变
D.脑脊液改变
E.血钠改变
参考答案：C
Do you think that bridge ____ 2,000 meters long? It doesn't seem ____ long. [ ]
A. measures, that
B. is measured, so
C. is measured, such
D. measures, much
对电动机而言，B级绝缘允许温升是（）摄氏度，F级绝缘允许温升是（）摄氏度。
