基足
参考答案:
苔藓植物的孢子体或蕨类植物的幼胚埋在配子体内的基部,在蒴柄下,有固着和吸收营养物质的作用。
Monsoons are characterized by().
A.light,variable winds with little or no humidity
B.p,gusty winds that blow from the same general direction all year
C.steady winds that reverse direction semiannually
D.p,cyclonic winds that change direction to conform to the passage of an extreme low pressure system
有关选择抗生素治疗流行性出血热少尿期并发肺部感染,下列不妥的是()
A.庆大霉素
B.多粘菌素
C.万古霉素
D.青霉素
E.红霉素