下列哪一项一般不用作为急性中毒时提供毒物鉴定的标本( )A．呕吐物B．胃液C．剩余

先找规律，再计算。

（1）120+140+160+180+200=（    ）×（    ）=（    ）

（2）380+420+460+500=（    ）×（    ）=（    ）

句型转换，每空一词。

1.  My socks are on the chair. (对画线部分提问)

     _____ are _____ socks?

2. What's your cousin's age?(改为同义句)

    _____ _____ is your cousm ?

3.  Those are T-shirts. (改为单数句)

     That _____ _____ T-shirt.

4.  Are those keys?(作否定回答)

    No, _____ _____ .

5.  She can sing and dance. (改为否定句)

     She _____ sing _____ dance.

6.  This girl often plays basketball after school. (改为一般疑问句)

    _____ this girl often _____ basketball after school?

7.  I can play chess. (对画线部分提问)

    _____ can you _____ ?

8.  Mary's brother does his homework at home. (改为否定句)

    Mary's brother _____ his homework at home.

9.  Dave wants to join the art club. (对画线部分提问)

     _____ does Dave want to join?

10.  What subject do they like best?(改为同义句)

       _____ their _____ subject?

CCRM系统在营销管理模块提供了“客户细分”功能。（）

下图中物体m机械能守恒的是（均不计空气阻力）：

尿路阻塞癃闭的选方为（）

A.八正散

B.清肺饮

C.沉香散

D.代抵挡丸

E.补中益气汤