根据句意及汉语提示完成句子。

1. Please make a _____ (对话)after the model.

2. Can you recite more _____ (对白)?

3. Nowadays, women _____ (护士) are still very popu-lar.

4. The teacher asked us to _____ (背诵) the text.

5. The actors who played the roles of Romeo and Juliet Were _____ (极佳的).

6. The _____ (仆人) will serve you the dessert duringThe dinner.

7. She sits at the back _____ (排) of the classroom.

8. He speaks with a strong southern _____ (口音).

下列试验属于碳源和氮源利用试验的是（）

A.CAMP试验

B.丙二酸盐利用试验

C.胆汁溶菌试验

D.硝酸盐还原试验

E.尿素分解试验