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A 2100-kg car starts from rest at the top of a 5.0-m long driveway that is inclined at 20° with the horizontal. If an average friction force of 4.0×103 N impedes the motion, find the speed of the car ...
患者,男,56岁。5年来常于冬春季出现咳嗽、咳痰。1周前上述症状加重,经抗感染及止咳、祛痰治疗后好转。于门诊查肺功能示阻塞性通气功能障碍,FEV1改善为2.4%。胸部×线片示双下肺纹理增粗紊乱。该患者的诊断应考虑为
What does a teacher want the students to do when he/she asks them to find a word of *** meaning to "germinate" in a paragraph? A. To deduce meaning from the ***. B. To yze word meaning by using syntax. C. To identify new words by using synonyms. D. To apply grammat...
甲公司在报纸上向社会征集广告用语,声明被采用的应征者将获得奖金2000元。乙设计的独特广告语应征后被选中,获得2000元奖金。甲公司使用该广告语3年以后,乙对广告语的著作权提出主张,要求甲公司停止使用。下列哪- -选项是正确的?
But three things are particularly important: a cinema boom in the emerging world, a concerted effort by the major studios to make films that might play well outside America and a global marketing push to make sure they do. E. Russia, with its shrinking teenage population, is an unlikely ...
《装配式混凝土建筑技术体系发展指南(居住建筑)》2019,构件堆场布置应结合()等条件进行构件堆场设置,满足预制构件堆载重量、堆放数量以及施工方便等要求。堆场的布置宜避开地下车库区域,当必须采用地下室顶板作为堆放场地时,应对地下室顶板的承载力进行验算,必要时应进行加固处理。
已知如下关系:学生Student(S#, Sname),课程Course(C#, Cname, T#),选课SC(S#, C#, Score),教师T(T#, Tname)。其中S#为学号,Sname为学生命名,C#为课号,Cname为课程名,T#为教师编号,Score为成绩,Tname为教师名。阅读SQL语句:SELECT Sname FROM Student, SC, Course WHERE...
A scramjet engine that doesn't carry its own oxygen supply.
声明: 本网站大部分资源来源于用户创建编辑,上传,机构合作,自有兼职答题团队,如有侵犯了你的权益,请发送邮箱到feedback@deepthink.net.cn 本网站将在三个工作日内移除相关内容,刷刷题对内容所造成的任何后果不承担法律上的任何义务或责任