在改变主起动阀开度的慢转起动回路中,若起动控制阀和慢转电磁阀控制端信号为11,应进行()。
A.慢转起动
B.正常起动
C.重起动
D.重复起动
参考答案:A
下列哪项可能是早期肝硬化的临床表现
A.发热
B.腹水
C.黄疸
D.肝昏迷
E.食欲不振
根据句意和括号内所给单词的适当形式写出单词。
1. The light is red. You must wait. It's _______ (danger) to cross the road.
2. What's the _______ (mean) of this word, do you know?
3. Jenny is very kind. She often shares her (toy) with her friends.
4. My room is not as big as my _______ (brother).
5. Your sister is too young to dress _______ (she). Please help her, Ann.