【简答题】室内同时放散余热和余湿时,所需的全面通风量为__。
【单选题】Grade inflation may result in______.
A.
meaningless grades and honours
B.
a lack of distinction between right and wrong
C.
a meaningful difference between the outstanding students and the average students
D.
a determination to make students more competitive in job hunting
【简答题】在全面通风的类型中,( )所需的全面通风量大,控制效果差。
【多选题】为了适应流水施工的要求,在划分施工段时要注意
【单选题】某居住区房间内同时散发苯和甲醛,散发量分别为5 mg/s、0.6 mg/s,求所需的全面通风量为( ).
【多选题】在全面通风方式中,稀释通风与单向通风相比,稀释通风( )。
【单选题】Which of the following is wrong about professionals and amateurs?
A.
No clear-cut distinction can be drawn between professionals and amateurs in science.
B.
Amateurs' participation into scientific research has become more difficult.
C.
There is no discriminations of professionals against amateurs in geology.
D.
Entrance to professional geological journals has become harder for amateurs.