tailieunhanh - Đề thi kiểm tra học kỳ II ( 2007- 2008) Môn Tiếng Anh Lớp 11- Đề 3

The tourist industry is considered to be the world’s largest industry. Before 1950 about 1 million people(1) .abroad each year(2) by the 1990s the fingure had(3) .to over 400 million every year(4). large number of tourists, however, are beginning to cause problems. For example, in the Alps the skiers are destroying the mountain(5) .came to the mountain s are imported to be covered with old tons tents or food. That have been thrown away. | .

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