题目内容
We usually see a little symbol that says 3G or 4G at the top of our phone. The “G” stands for the “________” of our mobile network.
A.greatness B.generation C.gravity D.globalization
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题目内容
We usually see a little symbol that says 3G or 4G at the top of our phone. The “G” stands for the “________” of our mobile network.
A.greatness B.generation C.gravity D.globalization