We have got _ food now.[ ]
A. lots of
B. lot of
C. many
答案:A
齿轮样强直可见于()
A.上运动神经元瘫痪
B.下运动神经元瘫痪
C.小脑病变
D.帕金森病
E.舞蹈病
变压器的空载试验测得的损耗就是铜损耗。