卵巢上皮癌的放射敏感性为（）。 A.低度 B.中度 C.高度 D.有高有低 E.以上

12的因数有______，从中选出四个数组成一个比例是______．

以( )为基础的标底，是当前我国建筑工程施工招标较多采用的标底编制方法。

A．施工图预算

B．工程概算

C．扩大综合定额

D．平方米造价包干

句型转换。

1. David is going to have some Math classes tomorrow. (改为否定句)

    David _______ _______ to have _______ Math classes tomorrow.

2. They are going to save some money to help this poor girl. (对划线部分提问)

   _______ are they going _______  _______ to help this poor girl?

3. We are going to move to the country. (对划线部分提问)

   _______ are you going _______  _______?

4. Mr Brown is going skateboarding with his son next Sunday. (改为一般疑问句)

   _______ Mr Brown _______  _______with his son next Sunday?

5. She is going to be a policewoman in the future. (对划线部分提问)

   _______ is she going _______  _______ in the future?

下列可以作为金融债券发行主体的是（）。

A.中央政府

B.生产企业

C.国际公益组织

D.银行

系统的（）表示系统结构图中控制的总分布。

A、深度

B、宽度

C、扇出

D、扇入