关于痤疮以下哪种说法不对
A.只有青年人才发病
B.发病与多种因素有关
C.可造成多种形态的损害
D.常反复发作持续数年
E.可有婴儿痤疮
参考答案:A
We are sure everything here____ by the time you come back from abroad in a few years.
A.had changed
B.will have changed
C.had been changed
D.will have been changed
收益率曲线圈中的横坐标和纵坐标分别表示()。
A.资产的不同市场价值
B.资产的各到期期限
C.对应的收益率
D.资产的现值
E.资产的当期收益率