化脓性腱鞘炎一经确诊,即使用大量抗生素治疗,并同时手术切开,是因为()。
A.止痛
B.防止肌腱坏死
C.防止肌腱肿胀
D.防止全身发热
E.防止败血症
参考答案:B
下列钢经完全退火后,()钢可能会析出网状渗碳体。
A.Q235
B.45
C.60Si2Mn
D.T12
_____ Wang Shasha often acts in TV plays and movies, she does well in her schoolwork.[ ]
A. Although
B. But
C. If
D. So