{01}The thermostat (恒温器) ________ the fact that different metals have different coefficients (系数) of expansion. A.based on B.is based on C.is basing on D.was based on 解析: 本题选B。 {02}The story ________. Will you tell it again? A.sounds strange B.listens strange C.hears strange D.is sounded strange 解析: 本题选A。
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