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【单选题】
( )是在液压系统执行元件短时间不工作时, 不频繁启闭驱动泵的原动机, 而使泵在很小的输出功率下运转的回路; ( )的功能在于使执行元件高压腔 中的压力缓慢的释放,以免引起剧烈的冲击和振动。A.
保压回路、泄压回路
B.
卸荷回路、泄压回路
C.
保压回路、卸荷回路
D.
卸荷回路、调压回路
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举一反三
【单选题】For many years, General Electric had a corporate strategy of being among the top three firms in any market in which it operated; if it could not achieve a top-three position, it would exit the market....
A.
increasing product line depth
B.
decreasing product line depth
C.
decreasing product mix breadth
D.
increasing product mix breadth
【判断题】A corporate strategy may be a growth strategy, a stability strategy, or a renewal strategy.
A.
正确
B.
错误
【单选题】Which of the following is a major decision that was generated from a change in corporate strategy?
A.
Changing Google's pricing model on its Google Ads products
B.
Providing superior customer service at Neiman Marcus retail stores
C.
Selling IBM's personal computer business to the Chinese firm Lenovo
D.
Applying for patents on Pfizer's cholesterol-lowering drug Lipitor
【简答题】价值观念是人们____的产生和____的确立的核心因素。
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