【简答题】宋代建筑方面的理论著作之一有李诫的《 》,这是北宋官方颁布的一部建筑设计、施工的规范书籍
【简答题】660K时的反应 2 NO + O2 2NO2。NO和O2的初始浓度和及反应的初始速率v的实验数据为:实验编号 1 0.10 0.10 0.0302 0.10 0.20 0.0603 0.20 0.20 0.240试求(1)反应级数和速率方程;(2)速率常数k;(3)当= c(O2) =0.15mol·L-1时的反应速率。(10分)
【单选题】《营造法式》 是( )官方颁布的一部建筑设计、施工的规范书,
【单选题】How long before we land?
A.
We will be coming around with a snack soon.
B.
We will be landing in about 20 minutes.
C.
Yes, it's a very long flight, isn't it?
【单选题】《营造法式》作为官方颁布的一部建筑设计、施工的规范书,它出现在( )。
【单选题】《营造法式》是北宋官方颁布的一部古建筑设计、施工的规范书,该书的作者是( )
【简答题】We had a long discussion before we reached an agreement.
【单选题】_____ exciting news! We’ve never had ____ long vacation before.
【单选题】听力原文:Hi, Serra. This is Vicky from purchasing. The bookcase you ordered for your office is no longer in stock. I can place a special order for you but it will take at least 4 weeks for it to be delive...
A.
To discuss a problem with the order
B.
To confirm a delivery item
C.
To request a catalogue
D.
To request an order for office supplies