法律关系产生、变更和消灭的原因是法律内容。（）

未分类题What can we conclude from the last paragraph?A．Both genes and environment should be improved to tackle brain disorders.B．Prevention is by far more important than treatment.C．Mental disorders are curable, and the earlier the better.D．Early treatment can reduce the sufferings and terminate all the symptoms.

未分类题What can we infer from the last paragraph?A．The issue of greenhouse gas emissions does not deserve so much attention.B．We have to understand climate changes in both quantitative and qualitative terms.C．Measures should be taken to handle the alterations in water-society relation.D．People from all walks of life should join hands in combating water shortage.

未分类题We can learn from the text that the second volume of the Penguin History of EuropeA．is the best book on overall European history.B．overtly criticized British Euroscepticism.C．explored the European history separately.D．is an overall success despite certain flaws.

未分类题According to the author, many men prefer trophy wives to working women becauseA．they feel working women are trouble.B．they desire first class malehood and sexual security.C．they feel working women are not safe at home.D．they love the comfortable home their wives have made.

未分类题The example of Indra Nooyi is cited to show thatA．women are still the disadvantaged group in the society.B．like men, women can also achieved great success.C．men are still unwilling to marry career women.D．Indian Americans can make great achievements in today's US.