题目

A computer _____think for itself, it must be told what to do. A . can't B . couldn't C . may not D . might not 答案：A下列动物中，既是我国特有的珍稀动物，又有具有“活化石”之称的哺乳动物是 [　　] A．扬子鳄B．大熊猫C．白鹤D．长臂猿