Electric eels use charges to______prey and also stun them before they eat them.

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问题 Electric eels use charges to______prey and also stun them before they eat them.

选项 A、examine
B、detect
C、determine
D、search

答案B

解析 本题为近义词题。选项A)“检查;考试”;选项B)“探测”;选项C)“下决心”;选项D)“寻找”,但是search是不及物动词,需要介词for来接名词,所以在这里不符合语法。故答案为B)。本句意为“电鳗用电流来探测并击昏它们的猎物,然后吃掉它们的猎物”。
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