The writer of the article was, no doubt ______.
A. a linguist
B. an essayist
C. a scientist
D. an attorney
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According to Landes, the main reason that some countries are so poor is that ______.
A. they lack work ethic
B. they are scientifically backward
C. they lack rationality
D. they are victimized by colonists
In discussing Landes's work, the author's tone is ______.
A. matter-of-fact
B. skeptical
C. reproachful
D. enthusiastic
函数y=x3-3x的单调递减区间为（）。
A. （-∞，-1]
B. [-1，1]
C. [1，+∞）
D. （-∞，+∞）
Utopia is the work of ______
A. Spenser
B. Donne
C. Blake
D. More
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