复种指数=耕地总面积/全年收获作物总面积
参考答案:错
This work is _________difficult for us. We need _________people.
A.too much; three more
B.too much; other three
C.much too; more three
D.much too; another three
能使舌苔变黄的是()
A.红糖
B.牛乳
C.长期服用抗生素
D.橘子
E.猪肉