— you photos?
—Yes, I am. [ ]
A. Do; take
B. Is; taking
C. Do; taking
D. Are; taking
答案:D
含盐率为5%.的盐水中,盐与水的重量比为1.:20.______.(判断对错)
下列不易发生骨折不愈合的骨折是()
A.胫骨中下1/3骨折
B.月骨骨折
C.距骨骨折
D.尺骨骨折
E.股骨转子间骨折