对压力表式温度计工作介质的要求是，该温度计()作为工作介质。(A)只能用液体; (B

根据短文内容完成相关任务。

     The peacock is a kind of lovely bird because it is beautiful when it opens it's tail. So when children go to

the zoo, they always shake something colorful to make the peacock show its fine tail feather.

     The peacock in the forests of southern Yunnan Province in China is green. The head of the peacock is

covered with dark-green feathers. The face is light yellow. Its upper tail feathers are often used to make

fans or clothes. When a peacock wants to marry a peahen, it dances around his girlfriend and seems to

say "Am I beautiful?" The peacock does little harm to the crops and is valuable. It shouldn't hunted without

any reason. 

1. When does the peacock look beautiful?

__________________________________________.

2. Where do the green peacocks live?

__________________________________________.

3. People often ______ peacock's tail feathers ______ fans and clothes. (根据短文内容填词)

4. 把第三段中划线的句子译成汉语。

__________________________________________.

5. The peacock is _____. [ ]

A. a cock

B. a hen

C. a peahen

D. a bird

如图所示，a、b是竖直方向上d电场线d两点，一带电质点在a点由静止释放，沿电场线向上运动，到b点恰好速度为零，下列说法中正确d是（　　）

A．带电粒子在a、b两点所受的电场力都是竖直向上的

B．a点的电势比b点的电势高

C．带电质点在a点的电势能比b点的电势能小

D．a点的电场强度比b点的电场强度大

影响全口义齿稳定的因素有（）

A.理想的磨光面形态

B.良好的咬合

C.合理排牙

D.颌骨的解剖形态

E.以上都对

使国家秘密被不应知悉者知悉的，属于泄露国家秘密行为。

下列有关对设计总负责单位的工作描述正确的是( )。

A．承担总体设计和部分扩初设计

B．进行设计总体管理

C．负责组织协调和控制各个分设计单位

D．可根据需要将部分设计任务委托出去

E．在安全控制及质量控制方面对业主负责