题目

盲人读“盲文”时，不须通过的大脑皮层中枢是： A．语言中枢      B．躯体感觉中枢  C．视觉中枢       D．躯体运动中枢 答案：CThis species has nearly _____ because its habitat is being destroyed. [     ]A. died down B. died outC. turned downD. turned up