6.Is ambition a positive or negative characteristic? Is is necessary for success?　　7.Some people think machine translation is so advanced that children do not have to　　learn a foreign language. Others believe that children should learn a foreign language from　　primary school. Whats your opinion? Do you think the invention of an international　　language is a positive or a negative development?　　8.Some people think that universities should spend more money on libraries than on　　sports facilities. Do you agree or disagree?