阅读短文，选择正确的一项。

      I have two new teachers. They are my math teacher and English teacher. My math teacher is short and

strong. He's very funny. My English teacher is from Canada. She's a university student. She's active and smart.

She's tall. We all like her.

1. I have ____________ new teachers.

A. 1

B. 2

C. 3

2. Who's your new teacher?

A. Math teacher and English teacher.

B. English teacher.

C. Chinese teacher.

3. What's your math teacher like?

A. He's tall.

B. He's very funny.

C. He's short and strong.

4. Do you like your English teacher?

A. Yes, we do.

B. No, we don't.

C. Yes, you do.

下列有关新生儿硬肿症的发病机理中哪一项是错误的()

A．新生儿体表面积相对比成人大

B．皮肤菲薄，血管丰富，易于散热

C．皮下脂肪中饱和脂肪酸含量较多，熔点高

D．棕色脂肪含量较多

E．病因以寒冷刺激及感染为主