单项选择题

What have given mankind a new viewpoint on the earth and its neighbors in space

A．Those explorations.
B．The advance of new technologies.
C．Spacecraft studies.
D．Scientific discoveries.

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单项选择题
The main idea of the passage is that_____.
A．a new method to access to the Internet is on the way
B．a new technology to connect with Internet has been created and seeking the cooperation to enter the market
C．disadvantages of old ways to access to the Internet
D．new tendencies in the fields of mobile communications
单项选择题
We can deduce from the passage that_____.
A．all the technologies will give place to RoamMate software
B．RoamMate software will be the leading one in the access to the Internet whenever through cable or not
C．we can find more information about RoamMate on the Web at www. roammate.com.
D．market will be the main obstacle when RoamMate prevails
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