题目内容：
There is a large amount of energy wasted due to friction.
参考答案：
答案解析：
选择题：There is a large amount of energy wasted due to friction.
- 题目分类： 大学英语B级
- 题目类型：选择题
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Their parents don’t know them as well as their friends do.
Their parents don’t know them as well as their friends do.
Air is all around us.
Air is all around us.
He knew the time of the meeting.
He knew the time of the meeting.
电源系统中，每台发动机均附带一台整体驱动发电机（IDG），IDG位于发动机的（）A．发动机左侧，风扇包皮内B．发动机右侧，风扇包皮内C．发动
电源系统中，每台发动机均附带一台整体驱动发电机（IDG），IDG位于发动机的（）A．发动机左侧，风扇包皮内B．发动机右侧，风扇包皮内C．发动机左侧，核心机匣内D．发动机右侧，核心机匣内
He failed to live up to his parents' expectations.
He failed to live up to his parents' expectations.