老年人保证充足的维生素E供给量是为了()。
A.抗疲劳
B.增进食欲
C.抗氧化损伤
D.降低胆固醇
参考答案:C
30,000 dollars ______ a large amount of money, but it’s ______ than we need.
A.is, far more
B.are, very much
C.is, far less
D.are, very little
车辆使用电流表的作用是什么?