题目内容：
If you decided to learn a new language, you would have to devote all your efforts to it.
参考答案：
答案解析：
选择题：If you decided to learn a new language, you would have to devote all your eff...
- 题目分类： 大学英语B级
- 题目类型：选择题
- 查看权限：VIP
He has taught English in this university ever since he moved to this city.
He has taught English in this university ever since he moved to this city.
In no other country in the world can you find such plants as this one.
In no other country in the world can you find such plants as this one.
This place has plentiful material resources.
This place has plentiful material resources.
煤矿井下造成短路的主要原因有（）A．绝缘击穿B．绝缘电阻降低C．机械损伤D．电压过高E．误操作
煤矿井下造成短路的主要原因有（）A．绝缘击穿B．绝缘电阻降低C．机械损伤D．电压过高E．误操作
He didn't need to attend the meeting.
He didn't need to attend the meeting.