1年前1个回答
你能帮帮他们吗
精彩回答
Only one child of the thirty passengers in the plane _____ after the air crash.
1年前
小肠适于吸收的特点:①面积大:______、内表面有______和______增大了面积; ②壁薄(3种)______壁、______壁、______壁只有一层______细胞构成.
1年前
He knows so much about Russia that he's universally acknowledged as a(n) _____ on Russian affairs.
1年前
怎样用matlab画参数方程x=u*sin(t);y=u*cos(t);z=100*t/1715;0
1年前
一块正方形台布,周长32分米,它的面积是多少?如果在它的四周缝上花边,花边长为多少?
1年前