1~4个月贫血标准()
A.Hb<120g/L
B.Hb<110g/L
C.Hb<100g/L
D.Hb<90g/L
E.Hb<60g/L
参考答案:D
Don't get that ink on your shirt, for it______.
A.won'twashout
B.won'tbewashedout
C.isn'twashedout
D.doesn'twashaway
给一块梯形的田地施肥,这块田地的上底长80米,下底长125米,高是60米.如果每平方米施肥0.8千克,那么这块地共需施肥多少千克?