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【单选题】
（单选）对于旋风分离器，如下各项中，哪一项不符合理论分析的结果，但更符合实际情况？（）A.
大于临界直径的颗粒不都能被捕集下来
B.
随着气体流量增大，临界直径减小
C.
进气口越宽，临界直径越大
D.
颗粒密度越大，临界直径越小
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反馈参考答案：
举一反三
【单选题】以下对良性前列腺增生症的描述错误的是
A.
又称前列腺肥大
B.
多发于青年男性
C.
前列腺增生的早期症状并不明显
D.
前列腺增生晚期尿频更加严重，排尿次数增多以夜间排尿明显
E.
公认为前列腺增生症的病因是由于睾丸的存在
【单选题】What was the essential task of Michael Porter's national competitive advantage?
A.
How do nations use their resources efficiently?
B.
Why does a nation achieve international success in a particular industry?
C.
How do countries gain first-mover advantages?
D.
Why has a large proportion of the world's new products been developed by U.S. firms and sold first in the U.S. market?
【单选题】What is NOT one of Michael Porter's five competitive forces?
A.
Potential entry of new competitors
B.
Rivalry among competing firms
C.
Bargaining power of unions
D.
Bargaining power of suppliers
E.
Bargaining power of consumers
【单选题】Michael Porter argues that: 迈克尔·波特认为:
A.
those firms that create superior value will achieve superior profitability.那些创造卓越价值的公司将获得卓越的盈利能力。
B.
standardization of product is a basic strategy for attaining a competitive advantage in an industry.产品标准化是实现行业竞争优势的基本策略。
C.
it is necessary for a firm to have the lowest cost structure or create the most valuable product.企业有必要拥有最低的成本结构或创造最有价值的产品。
D.
it is important that the gap between value and the cost of production be smaller than that of competitors.重要的是,价值和生产成本之间的差距要小于竞争对手。
【简答题】Discuss each of Michael Porter's five generic strategies.
【单选题】Michael Porter, who has made his name throughout the business community by advocating his theories of competitive advantages, is now swimming into even more shark-infested waters, arguing that competi...
A.
American spends more money on health care than on other services.
B.
Most Americans couldn't get their health insurance till their old age.
C.
Most American hospitals do not offer outstanding treatment to patients.
D.
The costs of health care are not steered towards a health direction.
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