溃疡性结肠炎病变多位于：() A．回肠末段及升结肠 B．直肠及乙状结肠 C．全结肠

一竖直上抛的物体，抛出后3s末到达最大高度，则物体上升的最大高度是______m，抛出时的速度是______m/s．

中年男性。2型糖尿病合并心力衰竭。FPG6.2mmol/L，2hPG12.7mmol/L，尿糖阳性、尿酮阴性。忌用哪类降糖药（）。

A.磺脲类降糖药

B.双胍类降糖药

C.葡萄糖苷酶抑制剂

D.胰岛素

E.以上都不是

根据要求完成下列句子。

1.John does his work in the afternoon. (改为否定句)

   John ________ ________ his work in the afternoon.

2.We have some classes on Friday. (改为一般疑问句) 

   ________ ________ have ________ classes on Friday? 

3.He finishes the game at 9:30 on Saturday morning. (画线提问)  

   ________ ________ does he ________ the game on Saturday morning. 

4.Her favorite color is blue. (画线提问) 

   ________ her favorite color?

5.My art teacher is Mrs Mendoza. (画线提问)  

   ________ ________ art teacher?

6.really, art, I, interesting, think, is. (连词成句)

   ____________________________________________

7.His favorite sport is volleyball. (同义句)  

   He ________ volleyball ________.

诗缘情

休风前除尘器要清灰，向炉顶设备及除尘器煤气系统通蒸气，目的在于保持（），冲淡煤气浓度，为炉顶点火创造条件。