搜题请搜索小程序“爱下问搜题”
问题 单项选择题

在Windows2000中，调出"任务管理器"对话框所使用组合键是（）

A.Shift+Esc+Tab

B.Ctrl+Shift+Enter

C.Alt+Shift+Enter

D.Alt+Ctrl+Del

答案

参考答案：D

单项选择题

伟大的时代，孕育着伟大的文艺作品；伟大的文艺作品，也往往反映和记录着伟大的时代。在庆祝中 * * 党成立90周年之际，一大批优秀的文艺作品和精彩的文化活动呈现于中国各地的舞台上，为广大群众提供了丰富的红色文化精神大餐。这说明（）

①人们在实践中既创造文化，也享受文化

②一定的文化是对一定时代经济、政治的反映

③各具特色的文化都推动着人类社会的发展

④文化是人们在改造世界的活动中创造的精神产品

A.①②

B.②③

C.③④

D.①④
查看答案
单项选择题

There is a difference between science and technology. Science is a method of answering (1) questions; technology is a method of solving practical problems. Science has to do with discovering the facts and relationships between (2) phenomena in nature and with establishing theories that (3) to organize these facts and relationships; technology has to do with tools, techniques, and (3) for applying the findings of science. Another (5) between science and technology has to do with the progress in each.

Progress in science (6) the human factor. Scientists, who seek to understand the universe and know the truth within the highest degree of (7) and certainty, cannot (8) their own or other people’s likes or dislikes or to popular ideas about the fitness of things. What scientists discover may shock or (9) people-as did Darwin’s theory of evolution. But even an unpleasant truth is (10) than likely to be useful; besides, we have the choice of refusing to believe it! But (11) so with technology; we do not have the choice of refusing to hear the sound produced by a supersonic aircraft flying overhead; we cannot refuse to breathe polluted air. (12) science, progress in technology must be measured (13) the human factor. The purpose of technology is to serve people—people (14) , not merely some people; and future generations, not merely those who presently wish to (15) advantage for themselves.

We are all familiar with the (16) use of technology. Many people blame technology itself (17) widespread pollution, resource depletion (枯竭) and even social decay in general—so much (18) the promise of technology is " (19) " That promise is a cleaner and healthier world. If wise applications of science and technology do not (20) a better world, what else will

3（）

A.serve

B.assume

C.intend

D.prove
查看答案