单项选择题

What is the first thing Tim Berners-Lee has to do before establishing the smarter Web

A．To set up standards for all Internet users.
B．To add descriptive tags or "metadata".
C．To find the proper methods for the Web.
D．To relate to metadata from various Web sites.

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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.

单项选择题

When teachers are mentioned to act as a facilitator, they should be acting

A．easily.
B．familiarly.
C．fast.
D．helpfully.