单项选择题

青霉素对人体几无毒性，原因是（）

A.人体细胞无细胞壁
B.人体细胞膜不含固醇
C.人体细胞浆渗透压低
D.青霉素为不稳定的有机酸
E.人体细胞可直接利用叶酸

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不定项选择

从二十世纪五十年代开始，凡是从戏曲舞蹈中吸收整理、以进行风格训练为目的的课程都称之为“身段”。

A．错误
B．正确

Speaking

Work in pairs. Please make up your own dialogues based on the following situations, and you may refer to the sentences in functional-sentence bank.

Situation 1
You invite your foreign teacher to go to the Great Wall this weekend, but he can’t go because he has made plans to go to the Temple of Heaven with his friends. He suggests next weekend.

Situation 2
Your classmates are going to have a party to celebrate New Year’s Day. You go to your teacher’s office to ask him/her to join you.

Situation 3
You have two tickets for the movie Pearl Harbor(珍珠港)，and invite your best friend to see the movie with you this weekend. He or she gladly accepts the invitation.

答案： open