In our highly technological society, the number of jobs for unskilled workers is ______.

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问题 In our highly technological society, the number of jobs for unskilled workers is ______.

选项 A、shrinking
B、obscuring
C、altering
D、constraining

答案A

解析 动词辨析。数量减少,使用主谓搭配number shrinks;obscure意为“使不明显”,alter意为“改变”,constrain意为“强迫,抑制”,均与题意不符。
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