题目: 光泽高低与涂膜表面状态有很大关系。() 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/1028/ef2a13a40ad8863102abc473306a7685.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:填空题 用方框中所给的词适当形式填空。watch, instead, grow, because, many, they, for, study, easy, do life in the 21st century will be different from life in the 20th century, because many changes will take place. The population is __1__ fast. There will be more and more people in the world and most of __2__ will live longer than before. Computers will be much smaller and more useful. And computer __3__ will be one of the important subjects at school. People will work fewer hours than they __4__ in the 20th century, and they will have more free time for sports, __5__ TV and traveling. Traveling will be much __6__. And many more people will go to other countries __7__ holidays. There will be changes in our food, too. __8__ land will be used for building new towns and houses.Then there will be less room for cows and sheep, so meat will be more expensive. Maybe no one will eat it every day, __9__ they eat more vegetables and fruit. Maybe people will be healthier. Work in the future will be different, too. Dangerous and hard work will be done by robots. __10__ of this, many people will not have enough work to do. This will be a problem. 查看答案
题型:多项选择题 患者女性,28岁,劳累性呼吸困难,进行性加重,乏力,气短,时有咯血,听诊心尖区有舒张期隆隆样杂音,临床诊断为风心病、二尖瓣狭窄。正常二尖瓣的频谱特点是()A.双峰B.正向C.窄带D.双峰、正向、收缩期出现E.单峰、正向、收缩期出现F.单峰G.舒张期出现H.负向 查看答案