问卷共有13题问答题，完成需时不超过十分钟。
The questionnaire comprises 13 questions and should take no more than 10 minutes to complete.
选择题错了3个，问答题几乎全错！
回答以下五条问答题的三题。留意考试的可用时间，和尽可能引用数据来源。
Write on three of the following five questions. Remember to conserve the time available to you and to give citations where possible.
应用推荐