From Paragraph 3, we can learn that
A. the learning theory contradicts itself in some fields.
B. drinking alcohol can solve the problem of family discord.
C. tension reduction appears first after drinking alcohol.
D. the unpleasant consequence of alcoholism can make alcoholics stop drinking.
查看答案
What is the main idea of the text？
A. Politicians are paying more attention to the food of students.
B. Schools are reluctant to change the food structure at present.
C. There are a lot of difficulties in changing school food.
D. It is high time to improve school food and many efforts have been made.
What is true about Alexei Sidney？
A. He lives in Russia as a consultant.
B. He is fired from his significant job.
C. His children risk losing the right to stay in Britain.
D. He has to find balance between the stay in and out of Britain.
无差异曲线弯曲的程度大小反映投资者承受风险的能力强弱，弯曲程度越小，说明越厌恶风险。()
A. 正确
B. 错误
现代风险管理强调采用以VaR为核心，辅之敏感性和压力测试等形成不同类型的风险限额组合。()
A. 正确
B. 错误
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