The concept of a"smart city"_________in

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问题 The concept of a"smart city"_________in the Government Work Report for the first time this year, which shows the future direction of China's urban construction.A.appearedB.was appearingC.had appearedD.would appear

选项 A.appeared
B.was appearing
C.had appeared
D.would appear

答案 A

解析 考查动词时态。主句中提及的事情发生在过去,意在表达在今年过去的某个时间,“智能城市”的概念出现在了《政府工作报告》上,应用过去时。句意为“‘智能城市’的概念今年第一次出现在《政府工作报告》上,表明了未来中国城市建设的方向”。故选A。
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