细菌性痢疾患者的粪便性状是()。
A.灰白色便
B.黏液脓血便
C.米泔样便
D.鲜血便
E.柏油样便
参考答案:B
Large sums of money______each year in painting the steelwork of bridges, ships, and other exposed structures.
A.have spent
B.have to be spent
C.have to spend
D.have to be spending
通过拨号上网,从室外进来的电话线应当和______连接。
A.计算机的串口2
B.计算机的并口2
C.调制解调器上标有Phone的口
D.调制解调器上标有Line的口