素描是绘画的一种草稿的形式
参考答案:对
I like this jacket better than that one, but it costs almost three times _____.[ ]
A. as much
B. as many
C. so much
D. so many
交感神经的低级中枢位于脊髓的()
A.颈1-胸3节
B.胸1-腰3节
C.腰1-骶2节
D.骶2-4节
E.仅存在于中胸节