虱传回归热的传染源是()。
A.病人
B.鼠类
C.臭虫
D.虱
E.蜱
参考答案:A
增值税税基分析常用指标()
A.计征增值税销售额
B.免征增值税销售额
C.“免抵退”税销售额
D.非应税劳务
English became the official language for business __ the fact that the population was largely Chinese.
A.in place of
B.in spite of
C.in case of
D.in favor of