阅读理解：在1-5小题前面括号内，正确的填写“T”，错误的“F”。

       Good morning class! My name is Li Lei. I'm your English teacher. It's nice to meet you all. This is Jim. He is English. Oh, it's Kate. Sit down, please.

( )1. It's moming now.                 

( )2. Li Lei is a teacher.

( )3. Jim is a teacher, too.

( )4. Kate is a student.

( )5. Li Lei, Jim and Kate are at school now.

在脑脊液中浓度较高的抗菌药物（）

A.氯霉素

B.磺胺嘧啶

C.异烟肼

D.红霉素

E.头孢唑啉钠