我国陆地疆域的总面积为（） A．18000多千米 B．300万平方_爱下问搜题

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问题选择题

我国陆地疆域的总面积为（）

A．18000多千米

B．300万平方千米

C．960万平方千米

D．2万多千米

答案

答案：C

题目分析：我国疆域辽阔，陆地总面积达960万平方千米，仅次于俄罗斯、加拿大，居世界第三位。所以本题选择C选项。

点评：本题主要考查了我国的领土面积，属于基础题。学生应牢记基础知识，提高答题效率。我国幅员辽阔，疆域广大，领土面积约960万平方千米，居世界第三位。

选择题

下列各项操作中,不发生“先产生沉淀，然后沉淀又溶解”现象的是（）

①向饱和碳酸钠溶液中通入过量的CO₂；

②向NaAlO₂溶液中逐滴加入过量的稀盐酸；

③向AlCl₃溶液中逐滴加入过量稀氢氧化钠溶液；

④向硅酸钠溶液中逐滴加入过量的盐酸

A．①②

B．①③

C．①④

D．②③

完形填空

Around twenty years ago I was living in York. 31  I had a lot of experience and a Master’s degree, I could not find   32  work.
I was   33  a school bus to make ends meet and   34  with a friend of mine, for I had lost my flat. I had   35  five interviews(面试)with a company and one day between bus runs they called to say I did not   36  the job. “Why has my life become so   37 ?” I thought painfully.
As I pulled the bus over to   38  a little girl, she handed me an earring   39  I should keep it   40  somebody claimed(认领)it. The earring was painted black and said “BE HAPPY”.
At first I got angry. Then it   41  me-I had been giving all of my   42  to what was going wrong with my   43  rather than what was right! I decided then and there to make a   44  of fifty things I was happy with. Later, I decided to   45  more things to the list. That night there was a phone call for   46  from a lady who was a director at a large   47 . She asked me if I would   48  a one-day lecture on stress(压力) management to 200 medical workers. I said yes.
My   49  there went very well, and before long I got a well-paid job. To this day I know that it was because I changed my way of   50 that I completely changed my life.

A．prepared for

C．experiences

B．a passenger