HIV-2型病毒具有的两套特殊蛋白是（）A.gp110/130和gp36 B.gp1

诸子著作中最富艺术精神的是《（）》。

根据句意用括号内所给词的适当形式填空。

1. Thank you for _____ (organize) the class trip.

2. This is the _____ (child) playhouse.

3. His brother _____ (study) English very hard.

4. —Whose is this sweater?    —It's _____ (he).

5. —What do you use to brush your _____ (tooth)?  

    —Toothbrush.

6. —Who _____ (cook) the meals in our home?

    —My mother does. She is a very good cook.

7. —When is _____ (teacher) Day? 

    —On September 10th.

8. We are really _____ (excite) at the exciting news.

9. He is _____ (dress) up as a ghost.

10. Do you have _____ (some) books about Halloween?

DCS仪表符号中FC×××代表（）。

A、流量显示

B、压力显示

C、流量控制

D、压力控制

通常三相笼型异步电动机定子绕组和转子绕组的相数不相等，而三相绕线转子异步电动机的定、转子相数则相等。

皮肤晒伤后的救护中，最好不要用（）液体进行湿敷。

A.牛奶液

B.生理盐水

C.清凉油

D.热水