【单选题】Unwanted sound, or noise, such as that produced by airplanes, traffic, or industrial machinery, is considered a form. of pollution. Noise pollution is at its worst in densely populated areas. It can c...
【简答题】若屋面采用沥青防水卷材施工,下列保护层材料不需设置分格缝的有( )。 A.绿豆砂 B.云母或蛭石 C.水泥砂浆 D.块体材料 E.细石混凝土
【单选题】There is a sentence in the second paragraph: 'In a hundred closed cafes the espresso machines give an expiring hiss, as if at last slipping off their shoes and wiggling their toes. ' How do you unders...
A.
It means that the coffee machines have been used for too much and cannot be used any longer.
B.
It implies that the owners of these cafes are so tired that they just want to have a good rest.
C.
It suggests that the owners of these cafes have lost their shoes and their toes feel painful with cold.
D.
The coffee machines are going to stop working; it is just like what a person does before he goes to bed after a day's hard work.
【单选题】Although the painting is very ____ pleasant, it is thought to be copied with a modern printing machine.
【单选题】若屋面采用沥青防水卷材施工,下列保护层材料不需设置分格缝的有( )。
【判断题】要把苗床苗移植到露地应选择晴天进行( )
【单选题】According to this passage, which of the following statements is true?
A.
In boiler and machinery spaces, there is the air conditioning.
B.
In the boiler rooms the requirement of air volume should meet 25-50% of combustion requirement.
C.
To maintain the comfort zone in the separate control room the air conditioning plant should be fitted.
D.
The comfort conditions can be maintained in the engine room all the time.