阅读下列对话，判断所给句子的对(√)错(×)。

Ann: Hello, Diana.

Diana: Hello, Ann.

Ann: This is Miss Read. She is our Chinese teacher.

Diana: How do you do?

Miss Read: How do you do? Are you new here?

Diana: yes, I am.

Miss Read: What's your name?

Diana: Diana Rixon.

Miss Read: Can you spell it?

Diana: yes, D-I-A-N-A, R-I-X-O-N, Diana, Rixon.

Miss Read: Are you in Class Three?

Diana: Yes, I am.

Ann: Oh, we are in the same class.

Miss Read: Welcome to our class.

(     )1. Miss Read is a teacher.

(     )2. Diana is a teacher, too.

(     )3. Ann is a student.

( )4. Diana is new here.

(     )5. Diana is in Class Two.

关于气管的解剖，错误的是

A．位于食管后方
B．上接环状软骨，下行人胸腔
C．在胸骨角水平分叉
D．全长10～13 cm
E．由16～20个“C”形的软骨环及各环之间的结缔组织和平滑肌构成