在CuCl2和FeCl3溶液中加入足量的铁屑m克，反应完全后，过滤称量剩余固体为

阅读理解。

Jim. Let's play volleyball, OK?

Tony: Sorry, I don't have a volleyball. But I have a basketball.

Jim: I don't want to play basketball. I only want to play volleyball.

Tony: Who has a volleyball? Do you know?

Jim: Maybe(或许)Tom has one. Let's go and ask him.

Say to Tom

Jim: Hi, Tom! Do you have a volleyball?

Tom: No, I don't. Does Peter have one?

Tony. Oh, yes, he does.

Tom. Hi, Peter! Do you have a volleyball?

Peter: Yes, I do. But it is at home.

Tom: Sorry to hear that!(那太遗憾了)

Tony: Well, let's play basketball. OK?

Jim: OK!

Tom: Peter, please join us.

Peter: OK! Let's play!

1. Who wants(想) to play volleyball?   

A. Jim.  

B. Tony.  

C. Peter.    

D. Tom.

2. Does Tony have a basketball?      

A. Yes, he does.    

B. No, he doesn't

C. Yes, he is.        

D. No, he isn't.

3. Who has a volleyball?      

A. Jim.              

B. Tony.  

C. Peter.    

D. Tom.

4. Where is Peter's volleyball?    

A. On the bed.      

B. At school.  

C. Under. the desk

D. At home.

5. They will(将)_____together(一起).      

A. play volleyball    

B. have lunch

C. play basketball

D. play tennis

支气管哮喘患者血常规检查中常见于哪一项升高（）

A.白细胞总数

B.中性粒细胞

C.嗜酸性粒细胞

D.嗜碱性粒细胞

E.淋巴细胞

下图是探究唾液对淀粉消化作用的实验，请根据题意回答问题：（4分）

（1）实验时，取两只试管，分别加入2ml的浆糊，再向2号试管加入2ml唾液，向1号试管加入_______________。

（2）烧杯中的1号、2号试管适宜放置在_____℃的温水中，效果较好。

（3）十分钟后，再往两支试管中分别滴加2滴碘液，预期2号试管________（填“变蓝”或“不变蓝”），该现象说明2号试管中的淀粉已经被淀粉酶分解了。由此可见，淀粉在人体消化道内消化的起点是_______。

微型计算机的核心部分是（）。

A.存储器；

B.输入设备；

C.输出设备；

D.中央处理器。

图示结构EI=常数，在给定荷载作用下，剪力Q_BA为：（）

A.P/2

B.P/4

C.-P/4

D.0