传染病在某一地区流行后，人群感染状态的一般规律是（） A.显性感染多 B.隐性感染多 发布时间：2017-06-02 00:50 │ 来源：www.tikuol.com 题型：单项选择题 问题： 传染病在某一地区流行后，人群感染状态的一般规律是（）A.显性感染多B.隐性感染多C.潜在性感染多D.健康带菌（病毒）者多E.病后带菌（病毒）者多
题型：单项选择题 阅读理解。 This summer, Mary, Tom, Alan are going to have an ideal vacation. The followings are their plans for the coming vacation. This summer, Mary, Tom, Alan are going to have an ideal vacation. The followings are their plans forthe coming vacation.MaryTomAlanWhereThe Great WallSpainCanadaWhenThe first week in JuneThe last day of MayJuly, Monday 18thWhoHis parentsHis best friendsHis cousinWhatGoing hikingGoing sightseeingVisiting some famous places in BeijingGoing shoppingGoing sightseeingGoing shopping Going ampingWatching bull-fightspending time on the farmrending videos at night going fishing going hiking sleeping a lotHow longAbout one monthOnly two weeksUntil SeptemberTransportationBy plane and busBy boat and planeBy plane and train1. Who is going hiking this summer?A. Mary B. Tom C. Alan D. A and C2. What isn't Tom doing for vacation?A. Watching bull-fight B. Going shopping C. Going fishing D. Going sightseeing3. Who can visit the Palace Museum this vacation?A. Alan B. Tom C. Mary D. Nobody4. Whose vacation is the longest?A. Mary B. Tom C. Alan D. We don't know5. What's the same transportation are they going to take?A.Train B. Bus C. Boat D. Plane 查看答案
题型：单项选择题 女性患者，59岁，农民。1年来双腿膝关节疼痛，活动后明显。近3个月出现双手指间关节肿痛，以远端指间关节明显。双手有晨僵，活动30min后缓解。查体：双手指间关节内侧面出现质硬的结节，无触痛，双膝关节活动时可闻及骨擦音。该患者诊断考虑A．类风湿关节炎B．骨关节炎C．假性痛风D．强直性脊柱炎E．银屑病关节炎 查看答案