下列4组原子序数的元素，彼此间能形成共价键的是 A．8和11 B．8和13 C．

一台计算机中可能包含多个处理器，其中承担系统软件和应用软件运行任务的处理器称为 【2】 ，它是任何计算机中必备的核心部件。

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

____小题1:____. He had more money than he could ever spend,　and　he was admired and looked up to by his community._____小题2:_____ .He was not happy. All his life he had been pursuing happiness and struggling for happiness, but he had never been able to find it.

Then one day he heard about a hidden temple in Nepal that had a special room that contained the secret of happiness.____小题3:___ .After many years searching and countless hardships he arrived there. He was tired and penniless, but he knew that none of that mattered now because he had found the temple. He asked a wise, smiling monk(和尚)if he could enter the special room. The monk agreed and showed him to the stairs leading to the room.____小题4:__ .He stared into the room with sunlight streaming through the window and saw what he had come so far to find. There hanging on the wall was the secret of happiness. The man looked at his reflection in the mirror and laughed.

_小题5:___ .Happiness is a choice that we can make. Don’t spend the rest of your life searching the world for happiness then. Just look at the mirror and laugh. Let the happiness flow from your heart, mind, and soul until it fills your life and the lives of all around you.

A．He immediately sold all that he owned and set out to find this hidden temple.

B．The man found the secret of happiness at last.

C．But he knew that something was missing in his life.

D．He climbed them with legs shaking with expectation and slowly opened the door.E. There was once a very wealthy and successful man.

F. It is time we all realized that we were the secret of our own happiness.

G. It was difficult to find the temple in Nepal.

一国以当年价格(或不变价格)计算的个人一年内所得到的收入总和是( )。

A．国民收入(NI)

B．国民生产净值(NNP)

C．个人可支配收入(DPI)

D．个人收入(PI)

用来把来自计算机的数字信号转换为模拟声音以便通过电话线进行传输，然后在接收端再把声音信号转换回成计算机所能接受的数字格式，这种设备叫做（）。

A.SearchEngine（搜索引擎）

B.SoundBlaster（声卡）

C.NetworkCard（网卡）

D.Modem（调制解调器）

小行星2729号，发现于1979年10月18日，1991年8月29日被命名为（）。

A.乌鲁木齐星

B.克拉玛依星

C.图木舒克星

D.博尔塔拉星