【題目】—The 5G technology in China can help doctors treat patients who are hundreds of kilometers away.

—It is really .

A.efficientB.culturalC.cruel

【答案】A

【解析】

句意：——中國的5G技術(shù)可以幫助醫(yī)生治療遠在幾百公里外的病人。——真的很有效率。

考查形容詞辨析。efficient有效率的；cultural文化的； cruel殘酷的；根據(jù)上文“can help doctors treat patients who are hundreds of kilometers away. ”—— 可以治療幾百公里外的病人，說明是很有效率的；故選A。

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