皮皮学，免费搜题
登录
搜题
【简答题】
选择与画线部分意义相同或相近的选项。 1. The dog is kind of dangerous. A. a kind of B. a little C. a little of D. a bit of 2. Jim looks like his father. A. is like B. likes C. looks at D. is liking 3. There is nobody on the street. A. no one B. anybody C. no man D. not anybody 4. I would like to visit a friend this afternoon. A. think B. hope C. want D. go 5. My brother's favorite food is beef. What about you? A. What are B. How are C. How about D. What for
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】某反应A+B R+S,已知VR=1L,物料进料速率V0=0.5L/min,cA0=cB0=0.05mol/L,动 力学方程式为(-rA)=kcAcB,其中k=100L/(mol·min)。求(1)反应在平推流反应器中进行时,出口 转化率为多少?(2)欲用全混流反应器得到相同的转化率,反应器的体积应多大?(3)若全混流反应器体积VR=1L,可达到的转化率为多少?
【单选题】微分方程dy/dx=1+y/x+y^2/x^2是()
A.
一阶齐次方程，也是伯努利方程
B.
一阶齐次方程，不是伯努利方程
C.
不是一阶齐次方程，是伯努利方程
D.
既不是一阶齐次方程，也不是伯努利方程
【简答题】题目1,题目2, 见附件 伯努利方程-作业.pdf 题目3,当伯努利方程的的单位是 m 时,静压能,动能,位能 有分别叫做什么?
【单选题】The villagers went out to the mountain __________ the missing child.
A.
in a search of
B.
looking after
C.
searched for
D.
in search of
【单选题】The result of the search for an easily digestible fat turned out to be______.
A.
commercially useless
B.
just as anticipated
C.
somewhat controversial
D.
quite unexpected
【简答题】连续性定理和伯努利定理各自的表述为什么?(25'✖2)写出连续性方程、低速流动的连续性方程、伯努利方程分别是什么?( 10'✖3 )连续性方程和伯努利方程分别基于哪个定律推导得到?( 10'✖2 )
相关题目：
参考解析：
知识点：
题目纠错 0
发布
