下面关于主存储器的叙述中,不正确的是()。A.当前正在执行的指令与数据都必须存放在主

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问题:

下面关于主存储器的叙述中,不正确的是()。

A.当前正在执行的指令与数据都必须存放在主存储器内,否则处理器不能进行处理

B.存储器的读、写操作一次读出或写入一个字节

C.字节是主存储器的基本编址单位

D.从程序设计的角度来看,cache(高速缓存)也是主存储器

考点:计算机等级考试PC技术计算机三级(PC技术)18
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()是整个社会保险体系的核心。

A.社会养老保险

B.社会医疗保险

C.工伤保险

D.失业保险

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系统的特点有哪些()

A.整体性

B.相关性

C.动态、有序

D.目的性

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自由变体

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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.

2()

A.in particular

B.in general

C.at least

D.by contrast

题型:单项选择题

集中取样装置冷却水中断后,对于有在线仪表的系统,首先应采取()措施后,才能联系恢复冷却水。

A.关闭取样一次阀

B.关闭手工取样阀

C.关闭去在线仪表阀和取样二次阀

D.关闭取样二次阀

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