事件顺序记录是()
A、把现场开关或继电保护动作的先后顺序记录下来。
B、把现场事故前后的开关变化、对应的遥测量变化先后顺序记录下来。
参考答案:A
Read and judge. 读一读,判断下列4个小句子与你理解的是(T)否(F)一致。
Hello, I am a tall girl. I like drawing. I am drawing a picture now. In my picture, you can see a tall green
tree, some red flowers, and a big mountain. Look! There is a red sun. Some boys are playing basketball. Some
girls are flying kites. I like my picture.
( ) 1. The boy is drawing a picture.
( ) 2. I can see a cow in the picture.
( ) 3. The girl loves drawing pictures.
( ) 4. In the picture, I can see some yellow flowers.
对伤寒、副伤寒感染作用较强的是()。
A.红霉素
B.羧苄西林
C.氨苄西林
D.青霉素
E.四环素