支配膈肌的是()
A.C1~3
B.C4
C.C5
D.C6
E.C7
参考答案:B
Mr. Fat has _______ money than Mr. Thin, but he has _______ friends.
A.more, fewer
B.more, less
C.fewer, more
D.less, less
治疗齿痛、项强首选的是()
A.孔最
B.太渊
C.列缺
D.尺泽
E.少商