Dogs respond _____sounds that are too high for humans to hear.
Dogs respond _____sounds that are too high for humans to hear.
A、at
B、for
C、to
D、with
【正确答案】:C
【题目解析】:此句的意思是“狗能对人类听不到的声音做出反应。”“respond to”固定搭配,意思是“做出反应,响应”根据句意选择C项。
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