【单选题】At prices (4; 12); Harry chooses the bundle (9; 4). At the prices (8; 4); Harry chooses the bundle (2; 9). Is this behavior consistent with the weak axiom of revealed preference?
A.
Yes
B.
No
C.
t depends on his income
D.
We would have to observe a third choice to be able to say.
【单选题】听力原文:The global steel industry is in a mess. Overcapacity and weak demand have hurt producers. In 2002, 847 million tons of steel was produced, but consumption was only 765 million tons. Steel makers ...
A.
The steel industry still has a bright prospect on a global scene.
B.
Steel consumption in the word registered a drastic cut.
C.
Steel makers are drastically cutting down their production.
D.
Better promotion is needed for improving sales of steel products.