可引起肝脏疾病的主要有()。
A.钙
B.铜
C.钾
D.钠
E.铁
参考答案:B, E
下图ABCD中,表示细胞分化的是[ ]
Without peace, development and equality of men and women are ______.
A.out of breath
B.outofthequestion
C.out of touch
D.out of question