1．(2020·江苏卷)I am not good at soccer, but that evening it was wonderful. Everyone knew the rules. We all spoke the same language of passes and shots. 射门
2．(2019·全国卷Ⅰ)Modern methods of/for tracking polar bear populations have been employed only since the mid1980s ... 跟踪
3．(2019·北京卷)Earth Day, marked on 22 April, is an annual event aiming to raise public awareness about environmental protection. 活动
4．(2019·北京卷)If a basketball star is, for example, trying to gain a high personal point total, he may take a shot himself when... 投射，投篮
