The dentist has decided to extract your b
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The dentist has decided to extract your bad tooth.
A:take out B:repair C:pull D:dig
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答案：A
本题考查的是对动词的认知。这句话的意思是：牙医决定拔掉你的坏牙。 extract的意思是拔出，例如：He tried to extract his pole from the mud．他试图用力将杆子从泥中拔出来。选项A take out取出、拔出，例如：How many teeth did the dentist take out？ 牙科医生给患者拔了几颗牙？选项B repair修理。选项C pull拉，但只有pull out才能表示拔出。选项D dig挖掘。extract和take out意思最接近，所以选A。