问题 单项选择题

在Windows环境下,单击当前窗口中的按钮,其功能是()。

A.将当前应用程序转为后台运行

B.退出Windows后再关机

C.终止当前应用程序的运行

D.退出Windows后重新启动计算机

答案

参考答案:C

解析:

在一个窗口顶端,其右侧往往有3个按钮,这3个按钮分别表示最小化、最大化和关闭。最小化是指把当前的程序最小化放到后台执行,最大化是指把当前程序在显示屏上全屏显示,而关闭是指结束当前的程序。

单项选择题
单项选择题

Now which are the animals really to be pitied in captivity First, those clever beings whose lively urge for activity can find no outlet behind the bars of the cage. This is most conspicuous, even for the uninitiated, in the case of animals which, when living in a free state, are accustomed to roaming about widely. Owing to this frustrated desire, foxes and wolves housed, in many old-fashioned zoos, in cages which are far too small, are among the most pitiable of all caged animals.
Though pinioned swans generally seem happy, under proper care, by hatching and rearing their young without any trouble, at migration time things become different: they repeatedly swim to the lee side of the pond, in order to have the whole extent of its surface at their disposal, trying to take off. Again and again the grand preparations end in a pathetic flutter of their half wings ; a truly sorry picture !
This, however, rarely awakens the pity of the zoo visitor, least of all when such an originally highly intelligent and mentally alert animal has deteriorated, in confinement, into a crazy idiot, a very caricature of its former self. Sentimental old ladies, the fanatical sponsors of the societies for Prevention of Cruelty to Animals, have no compunction in keeping a grey parrot in a relatively small cage or even chained to a perch. Together with the large corvines, the parrots are probably the only birds which suffer from that state of mind, common to prisoners, namely, boredom.

According to the author in Paragraph 1, what animals suffer most in captivity

A. Climbing animals.
B. Hunting animals.
C. Parroting animals.
D. Singing animals.