It’s apparent that the wooden bridge is not strong enough to______the weight of a lorry.

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问题 It’s apparent that the wooden bridge is not strong enough to______the weight of a lorry.

选项 A、retain
B、sustain
C、obtain
D、maintain

答案B

解析 考查动词辨义。retain“容纳,保留”;sustain“遭受,支撑”;obtain“获得,得到”:main—tain“维持,维修”。这里是说桥不能支撑卡车,故选B。
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