细菌感染的浆膜腔积液乳酸含量一般()
A.>20mmol/L
B.<5mmol/L
C.>10mmol/L
D.<10mmol/L
E.>3.33mmol/L
参考答案:C
下面对外部*.DTD文件的引用格式正确的是______。
A.<!doctype根元素名称SYSTEM"ur1">B.<!DOCTYPE根元素名称SYSTEM"ur1">C.<!doctype根元素名称SRC"ur1">D.<!DOCTYPE根元素名称SRC"ur1">
I __________get on the bus when I heard someone calling me from behind.
A.was to
B.was going to
C.would
D.was about to