【单选题】带有第三滚筒的制动试验台,制动力最大值取相对滑移率为( )时测量值。
【单选题】根据对付避税地的立法,一国纳税人因在外国公司中拥有股份而取得应归其所有的股息在未分配或未汇回以前要不要就此在本国申报纳税,取决于许多因素,这些因素及有关规定构成了对付避税地立法的基本内容,包括()。
【单选题】Why are Europeans particularly concerned with building materials?
A.
Lots of building materials there are radioactive.
B.
Up to 90% of them stay home.
C.
They have a high rate of lung cancer.
D.
They spend most of their time indoors.
【简答题】The use of new building materials and the introduction of such new technologies as the elevator and the air-conditioner have played an important role_____
【简答题】Elizabeth: Building houses with recycled materials and energy-efficiency systems