表示风湿活动指征的一项是()。
A.扁桃体炎
B.舞蹈病
C.抗链球菌溶血素“O”增高
D.血白细胞总数增高
E.心电图P-R间期延长
参考答案:B
解析:[知识点] 风湿热的临床表现
What I want to know is how to do the job better with time and people.
A.less; less
B.fewer; fewer
C.fewer; less
D.less; fewer
国际物品编码协会已分配给中国物品编码中心的前缀码为()
A.690~695
B.690~691
C.800~880
D.691~695