单项选择题

The author says that the powerful computers of today______.

A．are capable of reliably recognizing the shape of an object
B．are close to exhibiting humanlike behavior
C．are not very different in their performance from those of the 50's
D．still cannot communicate with people in a human language
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单项选择题
This passage may be taken from______.
A．a magazine designed for teachers
B．a newspaper addressing to those who will run for presidency
C．a book of public speech
D．a textbook for potential actors
单项选择题
Which of the following statement is NOT true
A．If a speaker worries about his appearance, he can find some ways to turn people's attention away from his look.
B．During a speech, people generally will not spend the whole time on the speaker's appearance.
C．Proper clothing and accessories can also improve one's social attractiveness.
D．If one keeps his hair tidy and body clean, then he possesses the natural beauty.
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