将表中待分类的微生物简单分为类别一、类别二(见下表)。下列说法正确的是待分类的微生物流感病毒、青霉、酵母菌、乳酸菌、曲霉、醋酸菌 类别一乳酸菌、醋酸菌 类别二青霉、酵母菌、曲霉 A.其分类标准是有无成形的细胞核B.其分类标准是单细胞生物或多细胞生物C.流感病毒应划到类别一D.流感病毒应划到类别二 7.听第8段材料,回答第11至13题.11.Where are the speakers?A.In a library. B.In a shop. C.In a theater.12.How much are the tickets for two adults and a child under ten?A.£3. B.£2.25. C.£3.75.13.What gift can a child most probably get from the library this year?A.A pen B.A book. C.A schoolbag.