这篇文档是针对高中英语学习的，具体为外研版高中英语必修二Module 2的作业题和答案解析。文档包含四个部分：语境填词、完成句子、同义词辨析和单项填空，旨在帮助学生巩固词汇、提高语法理解和语言运用能力。
**语境填词**
1. 认出 - recognize
2. 允许 - permission
3. 慢跑 - jog
4. 参加者 - participant
5. 宣传单 - leaflet
6. 即刻 - instantly
7. 分散注意力 - distract
8. 香烟 - cigarette
**完成句子**
1. 列一下这些小步骤是很有益处的，它们能够逐渐引导你实现你的目标。
It is good to list the small steps that will gradually lead you to your goals.
2. 我父母鼓励我培养科学方面的兴趣。
My parents encouraged me to develop an interest in science.
3. 我听说你们已经定好结婚的日期了？恭喜你们！
I hear that you've set a date for your wedding? Congratulations!
4. 医生让我先深深吸一口气，然后再把气吐出来。
The doctor told me to inhale deeply and then exhale.
5. 请发一下试卷好吗？
Can you hand out the papers, please?
6. 不需要请医生来。
There is no need to call for a doctor.
**同义词辨析**
1. (1)我们认识彼此已有20年了。
We have known each other for 20 years.
(2)你穿那身衣服我没认出你。
I didn't recognise you in that clothes.
(3)他看了看信封，立刻认出了玛丽的笔迹。
He looked at the envelope and recognised Mary's handwriting at once.
2. (1)我不喜欢晚上独自出去。
I don't like going out alone at night.
(2)在陌生人中我感到孤独。
I feel lonely among strangers.
(3)他独自一人，但并不感到孤独。
He is alone but he doesn't feel lonely.
**单项填空**
1. 众所周知，中国是一个属于第三世界的发达国家。
As is known to all, China is a developing country belonging to the Third World.
答案：B.
2. 这是一本非常有趣的书，无论花多少钱我都要买。
This is a very interesting book. I'll buy it, however much it may cost.
答案：C.
3. 你没让我开车，不然你就不会这么累了。
You didn't let me drive; we wouldn't have got so tired.
答案：D.
4. 他太聪明了，不可能不知道这一点。
He is too clever not to know this.
答案：B.
5. 出去玩的想法使他兴奋不已。
The idea of going out to play excited him.
这些练习题涵盖了词汇的使用、句型构造、时态掌握以及同义词的区别，对于提升学生的英语综合能力有显著效果。通过解答这些题目，学生可以更好地理解语境，学会在不同情境中正确运用词汇和表达方式。
