为了保证施工过程中施工人员的安全和健康，施工现场应实行封闭式管理，四周用硬质材料进行

词性变换。

1. We play a game _____(call) trick or treat.

2. ---What do you buy the pumpkins for?  

   ---  ________(make) lanterns.

3. I don't know what _____(wear) for the dinner party.

4. The library is on the ______(two) floor.

5.We are ________(excite) to see you.

6. I clean my room _______(two) a day.

7. You must brush your ______(tooth) every day.

8.What about _______(cut) out eyes and noses.

9. There is lots of _______(turkey) on the table.

10. Would you please _______(not knock) on the door?

11. They celebrate the festival by       (give) presents and cards.

12. Let him ______(clean) the blackboard today.

13. I will go to the park if it______________(not rain) tomorrow.

14. Thanks a lot for ______(give) us so many candies.

15. What are they looking forward to _________(do)?

不属于随时解除劳动合同情形的是( )。

A．某单位司机李某因交通肇事罪被判处有期徒刑3年

B．某单位发现王某在试用期间不符合录用条件

C．史某在工作期间严重失职，给单位造成重大损失

D．职工姚某无法胜任本岗位工作，经过培训仍然无法胜任工作的

下列关于细胞免疫的叙述，错误的是（）

A.进行细胞免疫时，抗原也需经吞噬细胞摄取和处理

B.效应T细胞可直接杀灭抗原

C.细胞免疫主要消灭侵入人体细胞内部的抗原

D.记忆T细胞再次接受同一抗原刺激时，会迅速增殖分化为效应T细胞

孔子反对“巧言令色”的做法。