某建筑物高度为[tex=1.857x1.286]IeIbIQJAMUE9rKjXvUgV9A==[/tex],采用临时高压给水系统时,应设高位消防水箱,水箱的设置高度应保证最不利点消火栓静压力不低于( )。[br][/br]
未知类型:{'options': ['[tex=4.071x1.286]ynoLzDNzPz5Mv/VgrZqY+w==[/tex]', '[tex=4.071x1.286]L0GXlBzxhnJqu4HNNsGMjA==[/tex]', '[tex=4.071x1.286]OveYwbOtQxoADZQGDz7UBQ==[/tex]', '[tex=4.071x1.286]++GsVtLiSL2zBGqvmCCMvQ==[/tex]'], 'type': 102}
未知类型:{'options': ['[tex=4.071x1.286]ynoLzDNzPz5Mv/VgrZqY+w==[/tex]', '[tex=4.071x1.286]L0GXlBzxhnJqu4HNNsGMjA==[/tex]', '[tex=4.071x1.286]OveYwbOtQxoADZQGDz7UBQ==[/tex]', '[tex=4.071x1.286]++GsVtLiSL2zBGqvmCCMvQ==[/tex]'], 'type': 102}
举一反三
- 一个晚会的节目有4个舞蹈,2个相声,3个独唱,舞蹈节目不能连续出场,则节目的出场顺序有( )种。 未知类型:{'options': ['[tex=4.071x1.286]jo8hARCI8N4rqpUjPGyT9sbduvtcDZnYuPQTlaxiOzY=[/tex]', '[tex=4.071x1.286]jo8hARCI8N4rqpUjPGyT9nGoS1hYJtrPw6p95WIEUlE=[/tex]', '[tex=4.071x1.286]jo8hARCI8N4rqpUjPGyT9kuQBsduYwjGCv40iI6hLhM=[/tex]', '[tex=4.071x1.286]jo8hARCI8N4rqpUjPGyT9uRIjMNC5mZYe0IqE7XWqb0=[/tex]', '[tex=4.071x1.286]jo8hARCI8N4rqpUjPGyT9vj8DOxLHmkmL50907IwvKs=[/tex]'], 'type': 102}
- 致病力最强的二氧化硅粉尘微粒的直径是 未知类型:{'options': ['[tex=4.571x1.286]rjkAEvMUYMBj863gEFxZng==[/tex]', '[tex=4.071x1.286]seWJnDlhvqT5OP0Wu3vwYA==[/tex]', '[tex=4.071x1.286]xksW5GX80Sz/YiT8zF4L9w==[/tex]', '[tex=5.5x1.286]phzgwv0FosvR6kppuvG/vYclj4Wyzu6UJKFBp9vbU+o=[/tex]', '[tex=4.571x1.286]TVZS2we4I3rQZ7UKMVZLiA==[/tex]'], 'type': 102}
- 设函数 [tex=1.786x1.286]jg4bgzd+cKocBmeYxC3pQQ==[/tex] 可微,[tex=15.214x1.286]VE52fzUzs90mNo36iJRzqeuMu/Dv4cSt2FFs9to9tP+ld2lRG6gjt7BcltYZRG92[/tex],则 [tex=1.714x1.286]YXjE8x6C05VvCLSJLj1HTg==[/tex] 等于( )。 未知类型:{'options': ['[tex=3.143x1.286]xqhkDCifk0wch+nyOELB/g==[/tex]', '[tex=4.071x1.286]fgcs3tDHeB4/S12ksiYjSw==[/tex]', '[tex=4.071x1.286]xwwgiaw2nZolsnk/ZlyIBg==[/tex]', '[tex=3.143x1.286]kLd0BTTr+eSxVfW0eVDWXg==[/tex]'], 'type': 102}
- 若[tex=0.643x1.286]ZsZs11iKEvfmzDIurZth8g==[/tex]阶矩阵 [tex=0.786x1.286]pi/GsQ3apuRt43V3XQq/tA==[/tex] 的特征值全为零,则不正确的结论是 未知类型:{'options': ['[tex=3.071x1.286]FYCnFYQQa8C3I+O2sfSSGA==[/tex]', '[tex=4.071x1.286]+lBxZ/Q5qfZATJaY0EDbzxLcEp1bBFvb191WABmyvHk=[/tex]', '[tex=4.071x1.286]dI8RrNc0FrfsOMYVeMqySQ==[/tex]', '[tex=6.143x1.286]1iXf5qeC7NLREgOTUZP0awk59L7I5tbiDkTohT+STaU=[/tex]'], 'type': 102}
- 设函数[tex=1.786x1.286]jg4bgzd+cKocBmeYxC3pQQ==[/tex]可微,[tex=6.071x1.286]b6xfIHoNPNjg3ZZdtUWMwDWihTVf4b4MG4Aeqg62lIQ=[/tex],[tex=3.857x1.286]ut8ZfwhIc//PUtlO1FM2Z6s3N9GNFVFeHrn3K3/hw5s=[/tex],[tex=3.786x1.286]A4toSPaqR06fqECiIVmHR0fMw+5sxahggsUVgTU1NkQ=[/tex],则[tex=2.786x1.286]+dyNFrBOg1JPPD3gFqw+hg==[/tex] 未知类型:{'options': ['[tex=3.143x1.286]ZU5uMYR8K2rwcUfeXBSE9Q==[/tex]', '[tex=4.071x1.286]NHrwoUndO8Kzl1ONCRbdig==[/tex]', '[tex=4.071x1.286]GUdf+zGwZtLxiyU84k0kCQ==[/tex]', '[tex=3.143x1.286]Kb8lNd1x4RENAARG+vBMHw==[/tex]'], 'type': 102}