Mobile Internet access includes portable WiMAX and cellular broadband service.
查看答案
Wi-Fi connections are not subject to your data plan limits.
A. 对
B. 错
Use Wi-Fi connections to download new apps and music if possible.
A. 对
B. 错
Identify the letterof the choice that best matches the phrase or definition.
Do you think a vicious circle is __________?
A. easy
B. difficult to get out of
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