题目内容：
4【判断题】100 years ago ,80% workers produced goods today only about 20% do.
我的答案：√
参考答案：
选择题：4【判断题】100 years ago ,80% workers produced goods to
- 题目分类：兰州工业学院-大学英语二
- 题目类型：选择题
- 查看权限：VIP
【判断题】100 years ago ,80% workers produced goods today only about 20% do.
我的答案：√