继电保护装置必须满足四个基本要求,下列哪一个不是()。
A、选择性
B、速动性
C、可靠性
D、连续性
参考答案:D
阅读短文,选择正确的答案。
My name is John. I have a happy family. We share (分享) the housework. My mother can cook the meals
and wash the clothes. My father can sweep the floor. I can clean the bedroom.
1. What can John's mother do?
A. She can clean the window.
B. She can cook the meals.
C. She can water the flowers.
2. What can John's father do?
A. He can clean the door.
B. He can sweep the floor.
C. She can empty the trash.
3. What can John do?
A. He can clean the bedroom.
B. He can clean the floor.
C. He can cook the meals.
急性感染性多发性神经炎的主要表现是()
A.迟缓性瘫痪,手套一袜子型感觉障碍
B.迟缓性瘫痪,节段型感觉障碍
C.迟缓性瘫痪,偏身型感觉障碍
D.痉挛性瘫痪,手套一袜子型感觉障碍
E.痉挛性瘫痪,节段型感觉障碍