试题与答案

文件的权限

题型:名词解释

题目:

文件的权限

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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题型:单项选择题

With the spread of inter-active electronic media a man alone in his own home will never have been so well placed to fill the inexplicable mental space between cradle and crematorium. So I suspect that books will be pushed more and more into those moments of travel or difficult defecation (1) people still don’t quite know what to do with.

When people do read, I think they’ll want to feel they are reading literature, or (2) something serious. (3) you’re going to find fewer books presenting themselves as no-nonsense and (4) assuming literary pretensions and being packaged as works of art. We can expect an extraordinary variety of genre, but with an underlying (5) of sentiment and vision.

Translators can only (6) from this desire for the presumably sophisticated. We can look forward to lots of difficult names and fantastic stories of foreign parts enthusiastically (7) by the overall worship of the "global village’. Much of this will be awful and some wonderful, (8) don’t expect the press or the organizers of prizes to offer you much help in making the appropriate distinctions. They will be chiefly (9) in creating celebrity, the greatest enemy of discrimination, but a good prop for the (10) consumer.

Every ethnic grouping over the world will have to be seen to have a great writer—a phenomenon that will (11) a new kind of provincialism, more chronological than geographic, (12) only the strictly contemporary is talked about and (13) Universities, including Cambridge, will include (14) their literature syllabus novels, written only last year. (15) occasional exhumation for the Nobel, the achievements of ten or only five years ago will be largely forgotten.

In short, you can’t go too far wrong when predicting more of the same. But there is a (16) side to this—the inevitable reaction against it. The practical things I would like to see happen--publishers seeking less to (17) celebrity through extravagant advertising, (18) and magazines (19) space to reflective pieces—are rather more improbable than the Second Coming(耶稣复临). But dullness never quite darkens the whole planet. In their own idiosyncratic fashion a few writers will (20) be looking for new departures.

Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1.6()

A.benefit

B.derive

C.differ

D.deviate

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题型:解答题

甲、乙、丙三台机床各自独立的加工同一种零件,已知甲、乙、丙三台机床加工的零件是一等品的概率分别为0.7,0.6,0.8,乙、丙两台机床加工的零件数相等,甲机床加工的零件数是乙机床加工的零件数的二倍。

(Ⅰ)从甲、乙、丙加工的零件中各取一件检验,求至少有一件一等品的概率;

(Ⅱ)将三台机床加工的零件混合到一起,从中任意的抽取一件检验,求它是一等品的概率;

(Ⅲ)将三台机床加工的零件混合到一起,从中任意的抽取4件检验,其中一等品的个数记为X,求EX。

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