单项选择题

In my last lecture I ______ a number of social issues which I would like to give more details this time.

A．embarked on
B．took on
C．touched on
D．lectured on
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单项选择题
We got that apparent ______ that people poured into the overcrowded urban area while complained of its density.
A．paradox
B．prejudice
C．dilemma
D．conflict
单项选择题
American people ______ fair competition more than any other values so that they speak highly of business instead of government, which is characterized by monopoly.
A．embody
B．cherish
C．fascinate
D．illuminate
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