外研版高中英语必修4单元测试：Module3

外研版高中英语必修4单元测试：Module3，扫描并关注下面的二维码，获取相关答案！

Module 3 单元测试题 第一节：单项填空（共15小题；每小题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. The International Red Cross is_______ non-profit organization that cares for the wounded, sick and homeless in wartime, and victims of _______ natural disasters. A. the; the B. a; the C. the; 不填 D. a; 不填 22．While building a tunnel through the mountain, ________ . 　　A. an underground lake was discovered B. there was an underground lake discovered 　　C. a lake was discovere