从事供港澳活羊中转业务的中转场设计存栏数量不得少于200只。
参考答案：对
.The teache rfound ____ difficult to decide____ he would take with him to attend the
conference.
A．it;whom
B．himself;who
C．this;whom
D．that;who
烘炉前应做哪些准备工作？
