问题
多项选择题
断电保护和自动装置应满足( )和速动性的要求,并应符合其他规定。
A.可靠性;
B.广泛性;
C.选择性;
D.灵敏性。
答案
参考答案:A,C,D
断电保护和自动装置应满足( )和速动性的要求,并应符合其他规定。
A.可靠性;
B.广泛性;
C.选择性;
D.灵敏性。
参考答案:A,C,D
A boy lost his arms in an accident and his father lost his life. Since then, he had to _ the arms of his younger brother. Except for writing with his toes(脚趾头), he could hardly do _ in his life. As the two brothers grew up together, they had lots of and they often argued . Then one day, his younger brother him. So he was very sad and didn't know to do. A girl lost her hands because of a fire. Though her elder sister wanted to her, she decided to be completely independent . At school, she always studied hard. Once she wrote the following in her composition, "I am . Though I lost my hands, I still have legs. Though my wings are broken, my heart can still fly." One day, the boy and the girl were both invited a television interview program. They both were asked to write something on a piece of paper with their toes. The boy wrote "My younger brother's arms are my arms" the girl wrote "Broken wings, heart".
|