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问题 单项选择题

半个世纪以来，对计算机发展的阶段有过多种描述。下述说法中，比较全面的描述是 ________。

A．计算机经过三个发展阶段，电子管阶段、晶体管阶段、集成电路阶段

B．计算机经过四段发展，即大型机、中型机、小型机、微型机

C．计算机经过三段发展，即大型机、微型机、网络机

D．计算机经过五段发展，即大型主机。小型机、微型机、局域网、广域网

答案

参考答案：D

解析：[知识点] 计算机发展阶段
[评析] 五十多年来，计算机的发展经历了5个重要阶段：大型主机、小型机、微型机、客户机/服务器(局域网)、互联网阶段(广域网)。

单项选择题

下列不属于成分残缺的一句是( )

A．鲁迅先生在斗争中创造了杂文，成了文学艺术中的奇葩

B．他就主动参与社会灾害性事故处理，化解风险，安定社会生活的责任

C．一个好的比喻，或为形似，或为神似，或为形神兼似，总是离不开相似这一根本特点

D．只要有勤奋、肯吃苦，什么样的难题都难不倒你
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Renowned U. S. economist, John Rutledge, who helped frame the fiscal policies of two former U. S. presidents, warned that an abrupt rise in China’ s currency could lead to another Asian financial crisis. The founder of Rutledge Capital told the media that if the yuan rises (1) it would discourage foreign direct investment in China while (2) by market speculators. Currency change is more difficult for investors and (3) .
The Chinese currency has appreciated by (4) since July 2005 when the country allowed the yuan to (5) within a daily band of 0.3 percent. The analysts are expecting the currency to rise (6) by the end of this year. But if the yuan rose 20 to 30 percent, as some U. S. politicians are demanding, it would (7) causing a recession and deflation. Similar advice to allow an abrupt appreciation of a currency led to (8) in 1997, and came very close to destroying (9) . The U. S. economist says that investors want foremost to (10) associated with large fluctuations in currency and inflation. They (11) after evaluating risks to benefits such as (12) . A rising yuan would drive up labor costs for foreign investors and would not (13) .
Earlier reports said that currency speculators had pumped (14) U.S. dollars into China by the end of last year, with another 70 billion U. S. dollars (15) in the first three months of this year. There is no way to (16) of this type of investment and many economists disagree that (17) is so high. Instead of further appreciating its currency, China should make the yuan (18) . If the yuan were more easily converted into foreign currencies it would allow Chinese companies to expand overseas, (19) , and provide management experience and capital that China needs. It would also (20) and reduce speculative money coming into the country.

Renowned U. S. economist, John Rutledge, who helped frame the fiscal policies of two former U. S. presidents, warned that an abrupt rise in China’ s currency could lead to another Asian financial crisis. The founder of Rutledge Capital told the media that if the yuan rises (1) it would discourage foreign direct investment in China while (2) by market speculators. Currency change is more difficult for investors and (3) .
The Chinese currency has appreciated by (4) since July 2005 when the country allowed the yuan to (5) within a daily band of 0.3 percent. The analysts are expecting the currency to rise (6) by the end of this year. But if the yuan rose 20 to 30 percent, as some U. S. politicians are demanding, it would (7) causing a recession and deflation. Similar advice to allow an abrupt appreciation of a currency led to (8) in 1997, and came very close to destroying (9) . The U. S. economist says that investors want foremost to (10) associated with large fluctuations in currency and inflation. They (11) after evaluating risks to benefits such as (12) . A rising yuan would drive up labor costs for foreign investors and would not (13) .
Earlier reports said that currency speculators had pumped (14) U.S. dollars into China by the end of last year, with another 70 billion U. S. dollars (15) in the first three months of this year. There is no way to (16) of this type of investment and many economists disagree that (17) is so high. Instead of further appreciating its currency, China should make the yuan (18) . If the yuan were more easily converted into foreign currencies it would allow Chinese companies to expand overseas, (19) , and provide management experience and capital that China needs. It would also (20) and reduce speculative money coming into the country.
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