阅读理解。

    Han Mei has a big bedroom(卧室). A table is on the floor. Two chairs are near the table. A computer

is on the table.  Three books and a cup are on the table. A map of China is on the wall.There is a bed on

the floor.  Han Mei's backpack is on the bed. Where are her shoes? Oh, they are under the bed. Some

plants are next to the bed.                       

1. Where's Han Mei's table?  

A. On the bed.          

B. On the wall.

C. On the floor.        

D. Near the window.

2. Where are Han Mei's books?    

A. In the table.          

B. On the table.

C. On the bed.          

D. Under the bed.   '

3. Are her shoes on the bed?  

A. Yes,they are.        

B. I don't know.

C. No, they aren't.    

D. Yes,they aren't.

4. Where are the plants? 

A. Next to the bed.  

B. On the bed.

C. On the table.        

D. Near the desk.

5. Where is the map?  

A. On the wall.            

B. In the wall.

C. On the bed.          

D. Near the table.

在匀强磁场中，有一个接有电容器的单匝导线回路，如图所示，导线回路与匀强磁场垂直，磁场方向垂直纸面向里，磁场均匀地增强，磁感应强度随时间的变化率，电容器电容，导线回路边长L₁=8cm,L₂=5cm。则电容器上极板

A．带正电，电荷量是1.2x1O^-4C

B．带负电，电荷量是1.2x10^-4C

C．带正电，电荷量是1.2xl0^-8C

D．带负电，电荷量是1.2xl0^-8C