估计胎儿生长发育,与下列哪项无关
A.宫高
B.胎儿股骨长度
C.胎儿胸围
D.胎儿双顶径
E.胎儿腹围
参考答案:C
I'd appreciate ____ if you would like to teach me how to use the computer.
[ ]
A. that
B. it
C. this
D. you