男性,55岁,心电图检查显示胸导联T波直立而U波倒置,多提示
A.无临床意义
B.冠心病
C.肺源性心脏病
D.心包积液
E.低钾血症
参考答案:B
Late in the afternoon, the boys put up their tent in the middle of a field. As soon as this was done, they cooked a meal__小题1:__ an open fire. They were all hungry and the food smelt good. After a wonderful meal, they told stories and sang songs _小题2:___the camp fire. But some time later it began to rain. The boys felt tired so they put out the fire and crept into their tent. Their sleeping-bags were warm and __小题3:_____, so they all slept soundly. In the middle of the night, two boys woke up and began shouting. The tent was full of water! They all leapt out of their sleeping-bags and hurried ___小题4:__. It was raining heavily and they found that a stream had formed in the field. The stream wound its way __小题5:____the field and then flowed right under their tent!
装饰工程分格(缝)的质量合格条件为()。
A、宽窄基本一致,压实抹光,横平坚直
B、接槎平顺
C、色泽基本均匀
D、表面洁净