【判断题】通过return语句,函数可以带回一个或一个以上的返回值。
【判断题】通过return语句,函数可以带回一个或一个以上的返回值。
【单选题】-----Did you have a hard time traveling back home? -----Yes, it ______ for four days when I arrived in Guiyang and all the roads______ covered with ice.
C.
had been snowing, had been
【单选题】The passage mainly discusses ______.
A.
the differences in average income among countries
B.
the relationship between productivity and living standards
C.
the causes of the rise in living standards
D.
the importance of raising productivity
【判断题】The differences among languages are reflected in the differences in the worldviews of their speakers.
【多选题】There are great differences among ____________, ______________, _____________.
A.
different kinds of coal
B.
different parts of the different components of coal
C.
different coal seams of the same region
D.
different parts of the same kind of coal