患儿,出生8天,诊断为胎怯。症见肌肤欠温,耳郭软,指甲软短,骨弱肢柔,睾丸不降。其病机是()
A.心虚
B.肺虚
C.肝虚
D.脾虚
E.肾虚
参考答案:E
— Shall I give you a ride as you live so far away?
— Thank you, ________. [ ]
A. it couldn't be better
B. of course you can
C. if you like
D. it's up to you
一个圆柱形水池的内壁和底面都要抹上水泥,水池底面直径是4米,水池深1.5米.抹水泥的面积是______平方米.