人类慢痛的主要投射皮层是
A．中央前回B．第一和第二感觉区C．皮层联络D．扣带回
参考答案：D
Home delivery or online shopping, ________ to all, makes it available for us to buy various
goods conveniently. [ ]
A. known
B. knowing
C. to be known
D. having known
影响社会总需求与总供给的平衡的重要因素包括( )。
A．财政收支是否平衡
B．投资需求
C．市场货币流通量
D．进出口商品的供需是否平衡
E．公民的消费习惯
