2020年普通高等学校招生全国统一考试英语_模拟预测卷(四)(全国1卷)Word版含答案.docx

2020 年普通高等学校招生全国统一考试 英语模拟预测卷（四） 本试卷 6 页，满分 120 分。考试用时 120 分钟 注意事项： . 答卷前，考生务必用黑色字迹的钢笔或签字笔将自己的校名、姓名、考号、座位号等 相关信 息填写在答题卡指定区域内。 .选择题每小题选出答案后，请用 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，再选涂其他答案；不能答在试卷上。 . .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 笔和涂改液，不按以 上要求作答的答案无效。 . 考生必须保证答题卡的整洁。 第一部分 阅读理解 （共两节 ,满分 40分 ） 第一节 （共 15 小题 ; 每小题 2 分 ,满分 30 分 ） 阅读下列短文，从每题所给的四个选项 （A、B、C和D）中，选出最佳选项，并在答题卡上将该 项涂。 A In the last 50 years, sea surface temperatures around Antarctica have risen by 1-2 C, which is more ° than twice the global average. Loss of species Global warming could basically change the ecosystem, leading to the loss of some species. Sharks are going to arrive in Antarctica as long as the warming trend continues, a bit more slowly than crabs-crabs are going to get there first, but once they do get there they are able to eat the organisms that live there. Professor Wilga said the arrival of sharks and shell-crushing bony fishes would lead to great changes in the number and proportions（ 比例 ）of species found there. Shrimp, ribbon worms and brittle stars are likely to be the most attackable to population declines. Animals living in shallow water in Antarctica are unique on Earth today because they evolved（ 进化 ）in a very cold environment over tens of millions of years. Extreme conditions In the course of a process we call Antarctic cooling that started about 40 million years ago, all major seafloor predators such as sharks and crabs went extinct in Antarctica because they were not able to deal with these extreme conditions. However, today global warming is removing barriers to invasions and we ’ ve seen recently that cr especially king crabs, are on the doorstep of Antarctica-they can potentially re-invade the shallow waters if warming continues. Urgent local and global actions are needed to protect this last environment and measures are needed to stop alien species being brought in through ships. Strange creatures Animals that live on the seafloor of