题目内容：
Though this question is very difficult, if you keep on trying, you will find the right answer.
参考答案：
答案解析：
选择题：Though this question is very difficult, if you keep on trying, you will find ...
- 题目分类： 大学英语B级
- 题目类型：选择题
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We are from mainland China.
We are from mainland China.
We must take some measures to control the pollution.
We must take some measures to control the pollution.
What did they say they had done?
What did they say they had done?
何谓奈奎斯特速率和奈奎斯特带宽？此时的频带利用率有多大？
何谓奈奎斯特速率和奈奎斯特带宽？此时的频带利用率有多大？
What do you want for dinner?
What do you want for dinner?