单项选择题

Incompetent people rarely know the depths of their own incompetence because they ______.

A．are too dull to know what competence is
B．are not skillful at logical reasoning, grammar, and sense of humor
C．lack the basic skills to evaluate their performance realistically
D．have some ability to overcriticize themselves

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单项选择题

Judging from the context, estrangement (Line 1, Para. 1) probably means ______. A) strange feeling C) loss of affection or interests B) remoteness D) feeling of hostility

A．Judging from the context, "estrangement" (Line 1, Para. 1) probably means ______.
B．strange feeling
C．remoteness
D．loss of affection or interests
E．feeling of hostility

单项选择题

The writer uses the example of Ibsen and others to maintain that ______.

A．Europeans do not have the proper appreciation of the United States
B．Europeans have made a notable shift in attitude toward the United States
C．American culture has been rediscovered by Europeans
D．Europeans no longer feel that there should be an exchange of ideas with Americans