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.

不满足方差齐的两组小样本的数值资料比较的假设检验，可应用

A．方差分析
B．秩和检验
C．X²检验
D．t检验
E．Z检验