【多选题】网络直接调查按采用的技术可分为 ( ) 等基本方法。
【简答题】Wecan infer from the last paragraph that [A] scientific knowledge and technicaladvance may lead to mass destruction. [B] cooperation by scientists will oftenresult in technical advances. [C] nuclear w...
【简答题】We may infer from the last paragraph that___ [A] universities often reject the culture of the middle-class [B] students are usually to blame for their lack of resources [C] social class greatly helps ...