The main point of the text is______.
A. the stock market crash of 1929 was an entirely positive event
B. the crash of the stock market was a foreseeable, and thus avoidable event
C. the stock market crash of 1929 resulted in short-term losses but long-term useful effects
D. the stock market crash of 1929 was the defining event of the twentieth century economics
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By mentioning the 1996 Olympic Games, the author intends to______.
A. criticize that the Atlanta Games was unfair due to the absence of some athletes
B. state that it"s critical to make thorough transport scheme to host the Olympic Games
C. manifest that the site picking of London is far better than that of Atlanta
D. prove that Olympic bids must take tube and rail construction into account
The main point of paragraph 4 is______.
A. those who need a college education most are having the most difficulty getting it
B. student loans are improving access to education for all
C. high-income families benefit most from student loans
D. low to moderate-income families benefit most from student loans
营运途中，乘客要求网约车改变目的地，驾驶员可予以婉言拒绝。()
网约车过斑马线时，应当减速，遇到行人正在通过斑马线时应停车让行。()
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