【单选题】Why we all tend to struggle with tasks that promise future upside in return for efforts we take now?
A.
That’s because it makes their future self feel more real—making the future benefits of saving also feel more weighty.
B.
That’s because our brain’s reward system is so highly responsive to our social standing.
C.
That’s because it’s easier for our brains to process concrete rather than abstract things, and the immediate hassle is very tangible compared with those unknowable, uncertain future benefits.
D.
That’s because the guilty pleasure helps dilute your brain’s perception of the short-term “cost” of exercising.
【单选题】听力原文: Our environment is being polluted faster than the nature and man's present efforts can prevent it. Time is bringing us more people, and more people will bring us more industry, more motor vehicl...
A.
It's because there are many developing nations.
B.
It's because people use too many man-made materials.