What can be said about substance abuse after September 11th？
A. People who reported an increase in alcohol use were more likely to have PTSD
B. People who were living closer to World Trade Center were most likely to increase cigarette smoking.
C. Displacement from home and involvement in rescue efforts were consistently associated with increased substance use.
D. Symptoms of panic attack were unrelated with increased use of substances.
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听力原文： It all seemed to fit so perfectly at the beginning; the world's most glamorous footballer is signing for the world's most glamorous club in the warm glow of the bright Madrid stmshine. But now the glamo is fading and No. 23 and the name Beckham won't appear together on a Real Madrid shirt for much longer. But it's far from over for David Beckham because he is about to become the highest paid footballer in the world. He signed to play for LA Galaxy for five years and would get 128 million pounds for his travel. Football purists say going to America would kill Beekham's credentials as a top-flight player, but he is upbeat about the future.
According to the news, Beckham is going to ______.
A. become the most glamorous footballer in the world
B. become the highest paid footballer in the world
C. have a brighter career future
D. have a bigger challenge in his career
The author is trying to show that ______ .
A. use of substances may vary from time to time
B. abuse of certain substances is harmful for health
C. the attack of September 11th has left incurable harm to people's mental health
D. terrorist attack increases anxiety and sense of insecurity among residents
How much did Google spend on YouTube？
A. $1,800,000,000.
B. $18,000,000.
C. $ 80,000,000,000.
D. $ 80,000,000.
What can be inferred from the last paragraph？
A. Demographic information such as gender, race and marital status was not collected.
B. Gender and race do not have much effect on the amount of substance abuse.
C. Age and marital status do not make any difference on substance abuse.
D. Income is a better predictor of substance abuse than age.
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