题干
We need lots of ______ every day.
A：vegetable
B：apple
C：milks
D：healthy food
答案(点此获取答案解析）
D
We need lots of ______ every day.
A：vegetable
B：apple
C：milks
D：healthy food
电阻上电压随电流变化的情况，下面说法正确的是 （ ）
