【題目】It is estimated that 5G devices will be for commercial applications in China in 2020 with the issue of 5G licenses.

A.uniqueB.flexibleC.matureD.delicate

【答案】C

【解析】

考查形容詞詞義辨析。句意:據(jù)估計,隨著5G牌照的發(fā)放,到2020年,5G設(shè)備在中國的商業(yè)應(yīng)用將趨于成熟。A. unique獨特的;B. flexible靈活的;C. mature成熟的;D. delicate精美的。根據(jù)常識,應(yīng)用的使用是逐漸成熟的。故選C。

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