在同一路由上，应避免多次开挖，管道应按远期容量一次性建成。
参考答案：对
既是性交器官，又是胎儿娩出通道的器官是
A．阴蒂B． * * C．卵巢D．子宫E．输卵管
---I don’t know _______. Can you help me? ---I think you should calm down and read texts.
A．how to do
B．what to do it
C．what to do
D．when to do
