盐类含量低的是（ ）
A．母乳
B．牛奶
C．羊奶
D．酸牛奶
E．全脂奶粉
参考答案：A
单纯性甲状腺肿的病因包括（）
A.碘缺乏
B.甲状腺激素合成障碍
C.碘过量
D.对甲状腺激素需求增多时
E.TSH刺激阻断性抗体浓度增高
________ got on the train when it started to move.
A．Scarcely I had
B．Scarcely had I
C．No sooner I had
D．No sooner had I
