My sister was ill.She felt like ________ nothing.[ ]
A.to eat
B.eat
C.eating
D.to eating
答案:C
With the prices going up every day, 300 yuan a month can hardly cover his of living.
A.standard
B.cost
C.price
D.salary
地方性砷中毒病人皮肤色素脱失的主要机制是
A.局部细胞死亡
B.内分泌失调
C.局部皮肤纤维变性
D.黑色素细胞功能衰退或丧失
E.色素传递障碍