彩印业务资费为（）。 A.免费 B.2元/月 C.3元/月 D.5元/月

句型转换。

1. My father stayed there for two months. (对画线部分提问)

    ________ ________ did your father ________ there?

2. He went to school at the age of seven. (改为同义句)

    He went to school ________ he ________ seven years ________.

3. This bike is new. (改为复数句子)

     ________ bikes ________ new.

4. We played basketball yesterday afternoon. (对画线部分提问)

    ________ ________ you ________ yesterday afternoon?

5. He is too short. He can't reach the banana. (改为一句话)

    He is ________ short ________ ________ the banana.

—I am going to take part in the singing competition tomorrow.

--       .

A．Congratulations!

B．That’s right.

C．Work hand

D．Good luck

小李同学参加课外实践括动，使用如图所示的剪刀修剪果园里的 树枝时，他把双手尽量往剪刀柄的末端靠近，这样做的目的是为了

A.增大阻力臂，费力

B.减小动力臂，费力

C.增大动力臂，省力

D.减小阻力臂，省力

尿胆原增多见于()

A.肾小管尿胆原重吸收增高

B.肝功能受损

C.肠道吸收尿胆原增高

D.体内胆红素生成亢进且胆管通畅

E.肠道阻塞

阳离子交换吸收属于（）。

A、物理化学吸收

B、物理吸收

C、化学吸收

D、机械吸收