致病菌在创伤发生时同时立即进入伤口所引起的感染为()。
A.二重感染
B.慢性感染
C.亚急性感染
D.原发性感染
E.继发感染
参考答案:H
—I am afraid this pair of shoes is a little expensive.
—If you really want to buy them, I will give you a ____ of 10 percent.
A.quantity
B.amount
C.discount
D.account
思想政治教育是提高队伍素质的根本途径。 ( )