英语短语用法复习知识点lay down/lay off/lead the way
lay down放下
例句He lay down on the sofa and soon fell asleep.
他躺在沙发上很快就睡着了。
She laid down her knife and fork and pushed her plate away.
她放下刀叉，推开盘子。
She lay down for half an hour.
她休息了半小时。
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lay off 下岗；不再做打扰人、讨人厌等的事；不再做或使用有害的事物等
例句They were laid off because of the lack of new orders.
由于没有新的订货，他们被解雇了。
Lay off!You're messing up my hair!住手！
你把我的头发都弄乱了！
I've smoked cigarettes for years,but now I'm going to lay off them.
我抽烟很多年了，现在打算戒了。

lead the way 带路；示范
例句I'll lead the way. You just follow.
我来带路，你们跟着好了。
Our scientists are leading the way in space research.
我们的科学家在宇宙探索中处于领先地位。
We lead the way in space technology.
我们在航天技术方面处于领先地位。

Fireworks
Fireworks have been around for a very long time. During the 10－12th centuries, fireworks were commonly sold in Chinese markets as a way to get rid of evil(邪恶的) spirits. In the 13th century, Chinese merchants developed rocket propulsion(推进). __1__ After becoming popular with the British, fireworks spread all over their vast empire. Nowadays people around the world celebrate with fireworks.
Fireworks are used all over the world for a variety of reasons. __2__ They are set off on November 5th in Great Britain to celebrate Guy Fawkes Night. In the United States of America, fireworks are set off on the 4th of July to celebrate America’s independence. No matter where you are in the world, there’s a good reason to set off fireworks.
Sparklers(烟花棒) and smoke bombs are my favorite kinds of fireworks. They are both safe and fun but they are also quite different. __3__ Stand back and watch it go! When you light a sparkler, however, you continue to hold it until it is done sparkling. They also burn differently. Sparklers create bright lights and sparks when you light them, but smoke bombs create smoke in different colors.
Fireworks are beautiful but they are also dangerous. Misusing fireworks can result in property(财产) damage, injury, and even loss of life. __4__ The operators may be using poorly－made products. At other times, however, the operators may be unskilled and make a mistake.
__5__ However, you can get one if you show up early. The earlier you show up, the more chance you’ll have of finding a good spot. If you show up just half an hour before the show begins, you’ll find that the best spots are already occupied.
A. Getting a good spot at a fireworks show is not easy.
B. Such accidents usually happen for one of two reasons.
C. They are set off in India to celebrate Diwali, the festival of lights.
D. In the 17th century, Chinese fireworks were popularized in Europe.
E. Fireworks competitions are also regularly held at a number of places.
F. After you light a smoke bomb, you should put it on the ground and run.
G. Fireworks are small objects that are lit to entertain people on special occasions.
答案与解析
【语篇解读】 本文是一篇说明文。文章主要介绍了烟花的历史、用途及类别等相关情况。
1. 答案 D
解析 根据该空前的“During the 10－12th centuries”和“In the 13th century”以及该空后的“Nowadays”可知，本段主要介绍烟花的发展历史，故D项内容符合此处语境。此外，该空后的“the British”与D项中的“Europe”语义相通。
2. 答案 C
解析 根据该空前的“Fireworks are used all over the world for a variety of reasons.”以及该空后的“Guy Fawkes Night”和“America’s independence”可知，世界各国都会用烟花来庆祝自己的节日，故C项内容符合此处语境。此外，该空后的“set off”和“celebrate”与C项中的“set off”和“celebrate”为原词复现。
3. 答案 F
解析 该空前的“Sparklers and smoke bombs”和该空后的“When you light a sparkler”是提示信息，这里主要介绍这两种烟花的燃放方式。该空后的“light”与F项中的“light”为原词复现。
4. 答案 B
解析 根据该空后的“The operators may be using poorly－made products. At other times, however, the operators may be unskilled and make a mistake.”可知，这里介绍意外发生的主要原因。B项中的“Such accidents”与该空前的“property damage, injury, and even loss of life”相呼应。
5. 答案 A
解析 根据该空后的内容可知，本段主要介绍观看烟花表演时如何占据有利位置，A项是本段主题句。该空后的“a good spot”与A项中的“a good spot”为原词复现。

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