工程队铺一条路,计划每天铺90米,20天可以铺完.实际只用了18天,平均每天铺多少米?
90×20÷18
=1800÷18
=100(米)
答:平均每天铺100米.
Look and fill in the blanks. 看图,填空。
1. A: How is Peter?
B: He is metres tall.
2. A: is Mary?
B: She is metres tall.
3. A: Steven?
B: .
4. Miss Zhang is metres tall. Steven is metres tall.
She is and he is .
肾小管性蛋白尿时尿中出现的蛋白主要为
A.白蛋白
B.前白蛋白
C.r-球蛋白
D.β2-微球蛋白
E.脂蛋白