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{{B}} Is Your Child’s Stomach Pain All in
His Head {{/B}} We all know there are times that kids seem to complain {{U}} (51) {{/U}} a stomachache to get out of chores(零星活儿)or going to school. Don’t be so sure that the pain they {{U}} (52) {{/U}} is all in their minds. We’re learning more now about a condition {{U}} (53) {{/U}}" functional abdominal pain" that is experienced by millions of kids every day. Like many teenagers, Kyle Brust makes it a point to do his homework as {{U}} (54) {{/U}} as he gets home. Unlike most, Kyle often did this with a terrible stomachache. In fact, the {{U}} (55) {{/U}} often started while he was at school, but getting help there was getting harder. "Some of my teachers wouldn’t let me go, because I’d asked so m A. class B. punishment C. treatment D. home [单选题]（ ）是指示列车运行及调车作业的命令，有关行车人员必须严格执行。
A.调度命令 B.信号 C.上级指示 D.文件电报 [单选题] 患者,男性 46 岁,因肝硬化伴食管胃底静脉曲张破裂出血入院,患者性格出现改变,行为异常,有扑翼样震颤应考虑该患者出现了下列哪种并发症( )
A.功能性肾衰竭 B.感染 C.胆汁淤积 D.肝性脑病 E.肝癌 [判断题] 任何部门和个人,如果有需要可以改动办公终端IP地址。
A.正确 B.错误 [单选题]下列关于鉴定、检测的叙述错误的是（）
A.鉴定意见依据不足的，公安机关应当进行重新鉴定 B.重新鉴定，公安机关应当另行指派或者聘请鉴定人 C.对有吸毒嫌疑的人，公安机关可以对其进行人体毒品成分检测 D.初次鉴定、检测费用由公安机关承担 [单选题]核酸样本转运箱需使用符合病毒样本的( )转运,防止样本泄漏或丢失。
A.生物安全转运箱(UN2814) B.生物安全转运箱(UN1814) C.生物安全转运箱(UN2514) D.生物安全转运箱(UN2214) [单选题]扬声器关断时能否听到FWC发出的语音信息？
A.能 B.不能 C.有的机型能，有的不能 D.机长一侧能，副驾驶一侧不能 [单选题]Turner综合征是()(0.7分)
A.单基因病 B.多基因病 C.染色体病 D.线粒体病 E.体细胞遗传病 [判断题]高层建筑火灾对密闭房间进行排烟时,应迅速开启排烟口,并用大量开花水枪掩护,防止发生轰燃。( )
A.正确 B.错误 [单项选择] Designs on life
Even if you’’re thinking big, you usually have to start small. It is especially true for a group of Swiss students who found that big means counting to infinity. The team was drawing up a blueprint for the world’’s first counting machine made entirely of biological parts. Although they had their sights on loftier numbers, they opted to go no higher than two. If the plan worked, it would be a proof-of-principle for a much larger tallying
device(计算装置).
The group, from the Federal Institute of Technology (ETH) in Zurich, was one of 17 teams presenting their projects at the first international Intercollegiate Genetically Engineered Machine (IGEM) competition, held at the Massachusetts Institute of Technology (MIT) in Cambridge on 5 and 6 November. The event attracted students from all over the world to design and build machines made entirely from biological components such as genes and proteins. They drew up grand designs for bacte
A. Y B. N C. NG 我来回答: 提交
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