【简答题】直径为200mm,长度为300m的管道自水库引水,在B点分为两根直径150mm,长度为150m的叉管,二叉管均出流至大气,其中一根叉管有沿其全长均匀分布的泄水孔,进入此叉管的流量有一半从管道末端流出,另一半则通过泄水孔沿程泄出;二分叉管的出口均位于水库水面以下15m。求各分叉管的流量,取沿程阻力系数λ=0.024,不计局部水头损失。
【单选题】下列传感器,不适合于静态位移测量的是()
【单选题】sectionA-4.mp3:
A.
The machine works well.
B.
The machine costs too much.
C.
The woman wants to get her money back
D.
The woman is making a complaint.
【单选题】SectionA-4.mp3:
B.
He is good at programming.
C.
He is suitable for the job.
D.
He finds the job difficult.
【单选题】Section A sectionA-Directions.mp3: Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded questi...
A.
Buy a less expensive car.
B.
Borrow money from the bank.
C.
Make a price comparison.
D.
Wait until the price goes down.
【单选题】下列传感器不适合于静态位移测量的是( )
【简答题】SectionA Script.mp3: SectionB Script.mp3: 1. A) To a park. B) To an art museum. C) To a shopping center. D) To a supermarket. 2. A) Italian restaurant. B) Indonesian restaurant. C) Indian restaurant. ...
【单选题】()是社会大众或角色的扮演者对于某一角色的行为标准不清楚而引起的角色矛盾。
【单选题】社会大众或角色的扮演者对于角色的行为标准不清楚,这种角色失调为()