下列有关急性小肠扭转临床表现的描述中,错误的是
A.多见于老年人B.起病急剧,腹痛剧烈C.多发生于饱餐后剧烈活动时D.频繁呕吐E.可出现休克
参考答案:A
Although the wind has , the rain remains steady, so you still need a raincoat.[ ]
A. turned up
B. gone back
C. died down
D. blown out
电厂管道通常采用的补偿办法有()和()两种。