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1．将文件夹下ABNQ文件夹中的XUESHI.C文件复制到文件夹中，文件名为USER.FFF。 2．将文件夹下LIANG文件夹中的TDENGE文件夹删除。 3．为文件夹下GAQU文件夹中的XIAO.BB文件建立名为KUAMS的快捷方式，并存放在文件夹下。 4．在文件夹下TEACHER文件夹中创建名为ABSP.TXT的文件，并设置属性为隐藏和存档。 5．将文件夹下WWH文件夹中的WORD.BAK文件移动到文件夹中，并改名为MICROSO.BB。

答案

参考答案：

解析：1．打开ABNQ文件夹，右击文件XUESHI.C，选择“复制”，回到文件夹下，在空白处右击，选择“粘贴”。右击该文件，选择“重命名”，输入名称USER.FFF。 2．打开LIANG文件夹，选中TDENGE文件夹，按Delete键。 3．在文件夹空白处右击，选择“新建”→“快捷方式”，在“创建快捷方式”对话框中，选择GAQU文件夹中的XIAO.BB文件，单击“下一步”，输入KUAMS，单击“确定”。 4．打开TEACHER文件夹，在空白处右击，选择“新建”→“文本文档”，输入名称 ABSP.TXT。右击该文件，选择“属性”，勾选“隐藏”和“存档”。 5．打开WWH文件夹，右击WORD.BAK文件，选择“剪切”，回到文件夹下，在空白处右击，选择“粘贴”。右击该文件，选择“重命名”，输入名称MICROSO.BB。

选择题

2003年10月15日，中国“神州五”五号载人飞船成功发射，航天员杨利伟在约21小时内环绕地球14圈，飞行总长度约为59万千米，用科学记数法表示飞行总长度的千米数是

A．59×106

B．5.9×104

C．5.9×105

D．59×105
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单项选择题

It is clear that some chemicals can damage the health of animals and humans. (1) , this is not the only problem that (2) be caused by the careless use of chemicals. Chemicals can also (3) the ecological balance of the environment. If the ecological balance is disturbed, the results can be (4) serious.The (5) of DDT illustrates the problem. DDT, a chemical which kills insects, at first seemed to be a perfect answer (6) many problems. It would control insects that caused dangerous diseases, (7) insects that caused billions of dollars of damage to crops every year. Governments permitted and even (8) the use of DDT. Farmers in many countries (9) to spray it on their crops. The (10) results were good. Damage to crops (11) down, and profits went up. However, the chemical had effects which the scientists didn’t see in (12) . First, it also killed insects which were the (13) enemies of the harmful insects and which were therefore beneficial to farmers. Second, and perhaps worse, DDT did not kill (14) harmful insect. A few insects had natural resistance to the chemical. They (15) and reproduced in large numbers. In a few years there were large numbers of insects which were not (16) by DDT, and there were (17) insects which Could act as natural (18) on these new "super-insects". Finally, it became clear that DDT was not solving the insect problem. In fact, it was making the problem worse. It (19) became necessary to find a second (20) for the effects of the first.

 

第（11）空应选择（）

A．put

B．took

C．broke

D．went
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