正常A/G比值为
A.(1.5~2.5):1
B.(1~1.5):1
C.(2~2.5):1
D.(2.5~3):1
E.(2.5~3.5):1
参考答案:A
When a question ________at the meeting, no one could answer it.
A.rose
B.raised
C.came
D.arose
胸片上常不能看到的骨结构有()
A.锁骨
B.肋骨
C.肩胛骨
D.腰椎
E.胸椎