干草应堆在畜牧场最大风向的上风向处,而隔离区应布置在下风向处。()
参考答案:错
We have looked for the lost sheep almost everywhere,but nowhere _____.
A.we can find it
B.can we find it
C.can find we it
D.we can it find
科间会诊一般应在____小时内完成。()
A.24
B.48
C.72
D.10分钟