当海拔不超过1000m时,接触网带电部分距装载货物的空气绝缘距离应不小于()。
A.200mm
B.240mm
C.300mm
D.350mm
参考答案:D
I am a middle school student. My name is WeiFang. I’m thirteen now. I study at No.52 Middle School. I am in Class 3, Grade 1. There are twenty boys and twenty-three girls in my class. We have four lessons in the morning and two in the afternoon. We like English very much.
小题1:WeiFang is _______.
A.eleven
B.twelve
C.thirteen
D.fourteen小题2:There are ______ students in her class.
A.23
B.20
C.40
D.43小题3:WeiFang is in ________.
A.Class Three, Grade One
B.Class One, Grade Three
C.Grade One, Class Three
D.Grade Three, Class One小题4:Do they have six lessons in a day?
A.No, they aren’t
B.Yes, they do
C.No, they don’t
D.Yes, they are小题5:Which sentence is wrong(错误的)?
A.WeiFang is in No.52 Middle School.
B.WeiFang likes English very much.
C.WeiFang has six English lessons every day.
D.WeiFang is a middle school student.
先天性甲状腺功能减低症的临床表现,不包括()
A.新生儿生理性黄疸时间延长
B.智力及生长发育正常
C.具有特殊面容和皮纹特点
D.各种生理功能低下的表现
E.皮肤粗糙,有黏液性水肿