CR系统在肌肉骨骼系统的应用实践中,对哪一类病变的显示可能受到限制()
A.脊柱侧弯
B.长骨病变
C.胸椎病变
D.短骨病变
E.关节软骨病变
参考答案:E
—Oil is everywhere in this store, so you _______ know smoking is forbidden here.
—I'm sorry. [ ]
A. can
B. may
C. must
流行于我国的血吸虫病为
A.日本血吸虫病
B.埃及血吸虫病
C.曼氏血吸虫病
D.湄公血吸虫病
E.间插血吸虫病