相对于其他类型的证券组合，货币市场型证券组合是一种安全性较低的证券组合。 ()
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垄断竞争行业初始投入资本较大，阻止了大量中小企业的进入。 ()
A. 正确
B. 错误
太阳能、某些遗传工程等行业正处于行业生命周期的成长期。 ()
A. 正确
B. 错误
The word "persecuted" in Passage 2, Paragraph 2, Line 2 is closest in meaning to____.
A. described
B. advantaged
C. identified
D. bothered
By saying "While it's true that…, be the scientific or artistic" (Lines 1～4, Para.5), the author means that______.
A. business management should be included in educational programs
B. human wisdom has accumulated at an extraordinarily high speed
C. human intellectual development has reached new heights
D. the importance of a broad education should not be overlooked
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