裂解是指石油系的烃类原料在（）条件下，发生碳链断裂或脱氢反应，生成烯烃及其他产物的过

句型转换。

1. My father has lots of story books. (改为否定句)

    My father ________ have ________ story books.

2. I like Mimi because it's very cute. (画线提问)

    ________ ________ you like Mimi?

3. Tony finishes his work at 9:30 in the morning. (画线提问)

    ________ ________ does Tony ________ his work in the morning?

4. He likes volleyball best. (改为同义句)

    His ________ ________ is volleyball.

5. They often play with the cute dog. (用now改写)

    They ________ ________ the cute dog now.

6. Anna's, what, mother, be, want, does, to. (连词成句)

    ______________________________________________

某企业接到一批生产甲种板材24000m²、乙种板材12000m²的订单．已知该企业安排140人生产这两种板材，每人每天能生产甲种板材300m²或乙种板材200m²，则应安排______人生产甲种板材，才能确保他们用相同的时间完成各自的生产任务．

在计算机网络的体系结构中，位于OSI参考模型最底层的是( )。

A．会话层
B．传输层
C．网络层
D．物理层

投票悖论提出( )。

A．中间投票人将决定结果

B．投票总是产生一个决定性结果

C．政府的行为不总是一致

D．多数投票原则不总是能够做出正确的决定

简述谈话节目的特点及要求。