摘要:第一节:单项填空(共15小题:每个题1分.满分15分) 从A. B. C. D四个选项中.选出可以填入空白处的最佳选项.并在答题卡上将该项涂黑.21.Higher temperature turning large ice sheet to water would cause rise in sea levels worldwide and change weather on earth. A. a , the B. the , / C. a , / D. / , the

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