精品解析：广东省广州市天河区2021-2022学年高二下学期期末英语试题

2021学年第二学期天河区期末考试 高二英语 本试卷共8页，满分为150分，考试用时120分钟。 注意事项： 1. 答卷前，考生必须用黑色字迹的钢笔或签字笔将自己的姓名和考生号填写在答题卡相应的位置上. 2. 选择题每小题选出答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑；如需改动，用橡皮擦干净后，再选涂其它答案；不能答在试卷上。 3. 非选择题必须用黑色字迹的钢笔或签字笔作答，答案必须写在答题卡各题目指定区域内的相应位置上；如需改动，先划掉原来的答案，然后再写上新的答案；不准使用铅笔或涂改液。不按以上要求作答的答案无效， 4. 考生必须保持答题卡的整洁，考试结束后，将试卷和答题卡一并交回。 第Ⅰ卷 第一部分 阅读理解（共两节，满分45分） 第一节（共10小题；每小题3分，满分30分） 阅读下面短文，从每题所给的四个选项（A、B、C、D）中，选出最佳选项，并在答题卡上将该项涂黑。 A Orbital structures are becoming increasingly important for worldwide communications and a new generation of technologies. But scientists are warning that the danger of space debris (碎片) is rapidly increasing. Space debris can include pieces of old rockets, non-operational satellites, lost tools and other items. They are threatening spaceships, satellites and space stations. In an effort to reduce the amount of debris orbiting the Earth, a group of economists at the University of Colorado at Boulder proposed a yearly fee, or tax, on satellite operators for their use of an orbital path. The group’s study on the subject appeared recently in the publication Proceedings of the National Academy of Sciences. Matthew Smith helped write the study. He said in a statement: “Space is a common resource, but companies aren’t responsible for the cost their satellites impose (迫使) on other operators when they decide whether or not to launch. So we need a policy that lets satellite operators directly cover the costs their launches impose on other operators.” Akhil Liotta was the lead writer of the study. He said most of the proposed solutions to the problem have been based on using technology to clear away the debris. But, Smith said, removing debris only means that operators will launch more satellites, and an international agreement calling for a yearly fee or tax would push companies to be more mindful about launching further objects into space. Christopher Burgess, a professor of space law at Northumbria University in Britain, said that imposing a space tax could be tricky. He