单项选择题

A smarter Web is meant to be______.

A．a faster search engine.
B．a semantic Web.
C．a hypertext system.
D．a metadat
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单项选择题
Which of the following statements do you think that the writer will agree to
A．We should not exert pressure upon ourselves, if possible.
B．Imposed pressure and self-imposed pressure are appropriate.
C．Imposed pressure may not be helpful in learning things.
D．Adults as well as children need certain pressure from outsid
单项选择题
Which of the following statements is true according to the writer of this passage
A．Students should learn verbally by themselves in class.
B．Students should be encouraged to follow examples.
C．Students should understand all the demonstrations.
D．Students should target their activities and achieve them.
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