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问题 多项选择题

在对新技术应用方案进行技术分析时，下列属于应该分析的内容是（）。

A．应用方案技术来源的可得性，若采用引进技术或专利，应比较所需费用

B．应用方案是否符合节能、环保的要求

C．计算增量投资收益率，判断对比方案相对经济效果

D．应用方案对工程质量的保证程度

E．应用方案各工序间的合理衔接，工艺流程是否通畅、简捷

答案

参考答案：A, B, D, E

单项选择题

Currently 94% of Web users use either Internet Explorer or Firefox, but recently some new (71) have been developed that are beginning to attract attention. The browser Opera is becoming very (72) because of its speed, it is currently the world’s fastest browser, and because it is much smaller (73) existing browsers (it can almost fit on a single diskette). It can also (74) the last Web page you visited, so the next time you surf, you can start where you left off. And like the big two, you can get it for free; the catch is that you have to watch blinking ads in one comer, or pay ＄40 for the ad-free (75) of Opera.

A．beyond

B．so

C．than

D．as
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单项选择题 A1/A2型题

下列体征提示器质性心脏病的是（）

A.心尖部收缩期杂音

B.肺动脉瓣区第二心音亢进

C.肺动脉瓣区第二心音分裂

D.心尖部第三心音

E.心尖部舒张期震颤
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