过路菌
参考答案：
是从土壤、水、空气和动物所接触的环境或食物中污染的微生物。
— My room gets very cold at night.
— ________. [ ]
A. So is mine
B. So mine is
C. So does mine
D. So mine does
柜员收到异地持票人开户行寄来的托收凭证及银行承兑汇票，应审核哪些要素？
