听短文，完成句子。短文读三遍。
1.The Great Wall is more than _______ kilometers long.
2.The Great Wall is four to five meters _______.
3.People built the Great Wall by _______.
4.It was _______ to build the Great Wall in the old days.
5.The Great Wall is one of the greatest _______ in the world.
1. 6,0002. wide3. hand4. difficult/hard5. wonders
听力：常作为一种考试题型，目的在于考察应试者对英语语言的把握，考察考生对英语日常交流的理解能力；通常有听对话选择答案、听句子默写关键字词几种形式。
温馨提示：
