【高考领航】提供的2014-2015学年高中英语Unit8 Lesson3 Macro Polo课时训练，是针对北师大版必修3的一份教学资料，旨在帮助学生提升英语水平，特别是词汇积累和句型转换能力。这份训练涵盖了单词拼写、句型转换和单句改错三个部分，对于提升学生的语言运用能力和语法理解有着重要作用。
一、单词拼写
1. multiply - 如果你把四乘以五，答案是二十。
2. puzzle - 我心中有一些确实困扰我的疑问。
3. exist - 大多数科学家认为水不会在月球表面存在。
4. harmful - 寒冷的冬天对橘子树是有害的。
5. oxygen - 植物能吸收二氧化碳并释放氧气。
6. theories - 关于生命起源有许多理论。
7. therefore - 他忘了打开收音机，因此错过了那个节目。
8. unlike - 他迟到是不寻常的，他通常都很准时。
9. religion - 政治和宗教是日常交谈的话题。
10. system - 这本杂志是用桌面出版系统制作的。
二、句型转换
1. You'll regret it sooner or later. → You'll regret it eventually.
- 这句话意味着你迟早会后悔的。
2. Nothing can keep/stop him from speaking out against injustice. → Nothing can prevent him from voicing out against injustice.
- 表示没有任何事情可以阻止他对不公正发表意见。
3. On February 15, she was safely delivered of a daughter. → On February 15, she gave birth to a daughter safely.
- 描述她安全地产下了一个女儿。
4. It is his turn to give a speech next. → He will give a speech next in his turn.
- 表示轮到他下一个演讲。
5. My brother is good at math, but I do badly in it. → In contrast, I do badly in math.
- 对比之下，我在数学方面做得不好。
三、单句改错
1. It was reported that a plane crash happened last night and most of the passengers were badly harmed and some died. → 正确。
- 这句话没有错误，已经正确地描述了一场飞机事故及其后果。
2. Violence criminals like that are dangers to society. → Violent criminals like that are dangers to society.
- "violence" 应改为 "violent"，表示“暴力的”。
3. Children are always told to do everything what their parents or teachers do. → Children are always told to do everything as their parents or teachers do.
- "what" 应改为 "as"，引导方式状语从句。
4. My pen trembles while I write it. → My hand trembles while I write with it.
- 此处应该是“手”颤抖，而不是“笔”。
5. Sometimes he found that very hard to fall asleep at night, so he went to see the doctor. → Sometimes he found it very hard to fall asleep at night, so he went to see the doctor.
- "that" 应改为 "it"，作为形式宾语，真正的宾语是 "to fall asleep"。
6. Hold out and you will succeed at time. → Hold out and you will succeed in time.
- "at time" 应改为 "in time"，表示“最终”。
通过以上练习，学生可以加深对词汇的记忆，理解句型变化的规律，同时纠正常见的语法错误，这对于提高英语综合能力，尤其是应对高考这样的重要考试，具有重要意义。
