【单选题】—Why was our foreign teacher unhappy yesterday? —News about the tsunami striking her country ____ an attack of homesickness.
【简答题】生物性污染是指微生物寄生虫及虫卵和()对食物的污染。
【单选题】Marcus is our foreign teacher.He in our school for two years.
【简答题】生物性污染是指微生物、( )和( )对动物性食品的污染。
【判断题】We should ask our foreign guests to obey the laws and regulations of our government and our hotel.
【单选题】临床表现主要为胃脘嘈杂,饥不欲食、干呕呃逆,口燥咽干,舌红少苔,脉细数的证侯为
【简答题】目前,因节水灌溉行业没有水利部及相关权威部门的标准,在节水灌溉工程招标中大多采用建设部颁发的水利工程总承包资质作为招标( )标资质要求。
【多选题】根据票据法律制度的规定,下列各项中,属于汇票到期日前持票人可以行使票据追索权的情形有( )