A study of more than 100,000 people has found that eating one egg _day does not appear to raise _risk of heart attack.
A. the;a B. a;a C.a;/ D.a;the
应选什么?
A study of more than 100,000 people has found that eating one egg _day does not appear to raise _risk of heart attack.
A. the;a B. a;a C.a;/ D.a;the
应选什么?
D
一天吃一个蛋,用a
the risk of ……的风险