A free lookout ______ the hills with binoculars.

admin2012-08-05  21

问题 A free lookout ______ the hills with binoculars.

选项 A、scanned
B、scrutinized
C、explored
D、swept

答案A

解析 scan意为“细看,仔细检查”;explore意为“探测”;scrutinize意为“仔细检查”: sweep意为“打扫;扫视,搜索”。
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