题目内容：
第45题应填__________.
参考答案：
答案解析：
单选题：第45题应填__________.
- 题目分类：英语四级
- 题目类型：单选题
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请回答（30）题__________.
请回答（30）题__________.
蹦极(bungee jumping)是一项既惊险又刺激的户外运动，深受年轻人的喜爱。蹦极也是一项挑战自我(self-ch
蹦极(bungee jumping)是一项既惊险又刺激的户外运动，深受年轻人的喜爱。蹦极也是一项挑战自我(self-challenge)的运动项目，有不少人为了
You should write a short essay entitled Will E-books Replace
You should write a short essay entitled Will E-books Replace Traditional Books.
第41题应填__________.
第41题应填__________.
You should start with a brief description of the picture, an
You should start with a brief description of the picture, and then express your