雅思阅读021套PASSAGE 1：POLLUTING SOUNDS: IN SEARCH OF SILENCE

雅思阅读031套PASSAGE 3：The Columbian Exchange

雅思阅读042套PASSAGE 2：Corporate Social Responsibility 

雅思阅读053套PASSAGE 2：Bestcom—Considerate Computing

雅思听力第015套

雅思听力第047套

雅思阅读061套PASSAGE 3：THE SEARCH FOR FRESH WATER

雅思阅读071套PASSAGE 1：Sleepy Students Perform Worse

雅思阅读081套PASSAGE 2：Homeopathy

雅思阅读086套PASSAGE 3：Migrants and Refugees: Racial Discrimination and Xenophobia