下列花卉在冬季开花的花卉种类有()。 ["一品红","鸡冠花","蜡梅","紫薇","荷花"]
患者,女性,24岁,因鼻出血、口腔血泡,皮肤紫癜至医院,查血小板3×109/L,血小板抗体阳性。该患者可能的诊断是()。 ["A.血友病","急性白血病","免疫相关性血小板减少性紫癜","血小板无力症","巨大血小板综合征"]
键不得松动,键和键槽之间()加垫 ["A.可以","B.不得","C.稍微"]
车轮踏面磨损凹槽深度不应超过() ["A.5mm","B.10mm","C.15mm","D.20mm"]
向日葵的边缘花为()。 ["舌状花,两性,舌片具5齿","假舌状花,中性,舌片具3齿","舌状花,两性,舌片具3齿","假舌状花,中性,舌片具5齿"]
Word2000通常有四种显示方式:()、()、“大纲”和“Web版式”视图方式。