It’s the first time I __ to see you this year.
A.had come
B.came
C.have come
D.come
答案:C
一级杠杆千分表,在任意0.2mm范围内的示值差不超过()。
A.2μm
B.3μm
C.4μm
伸髋关节的肌有()
A.臀大肌
B.股二头肌
C.半腱肌
D.半膜肌
E.股四头肌