混凝土施工检查记录适用于()等施工情况的检查记录。
A、砼搅拌
B、砼浇灌、养护
C、拆模
D、试件留
E、施工要求
参考答案:A, B, C, D
对二尖瓣狭窄患者的麻醉处理哪项错误()。
A.术中可头高脚低位
B.避免低氧血症
C.避免酸中毒
D.控制较快心率至100次/分以上
E.避免应用笑气
The foreign guests said that they were very happy ()the great changes which had taken place in the village.
A.to
B.for
C.about
D.by