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Lesson 53 Hot snake100%
At last firemen have put out a big forest fire in California.
消防队员们终于扑灭了加利福尼亚的一场森林大火。
put out a fire 是固定搭配，意为“扑灭大火”；At last 带有“终于”的意味。
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At last firemen have put out a big forest fire in California.
消防队员们终于扑灭了加利福尼亚的一场森林大火。
put out a fire 是固定搭配，意为“扑灭大火”；At last 带有“终于”的意味。
Since then, they have been trying to find out how the fire began.
从那以后，他们一直在设法查明这场火是怎么起的。
have been trying to find out 是现在完成进行时；find out 表示“查明”；how the fire began 是宾语从句。
Forest fires are often by broken glass or by cigarette ends which people carelessly throw away.
森林火灾往往是由碎玻璃或人们随手扔掉的香烟头引起的。
are often caused by... 是被动结构；which people carelessly throw away 修饰 cigarette ends。
Yesterday the firemen the ground carefully, but were not able to find any broken glass.
昨天消防队员们仔细检查了地面，但没能找到任何碎玻璃。
examine... carefully 表示“仔细检查”；be not able to do 表示“未能做成某事”。
They were also quite sure that a cigarette end did not start the fire.
他们也十分肯定，火灾不是由香烟头引起的。
be quite sure that... 表示“十分确信……”；start the fire 在此表示“引发火灾”。
This morning, however, a discovered the .
然而今天早晨，一名消防队员偶然发现了起火的原因。
however 在句中表示转折；accidentally 强调“偶然地”；discover the cause 是核心动作。
He noticed the of a snake which was wound round the electric of a 16,000- power line.
他注意到一条蛇的残骸缠绕在一条1.6万伏高压线的电线上。
the remains of a snake 表示“蛇的残骸”；which was wound round... 是定语从句；16,000-volt 作复合形容词。
In this way, he was able to the .
就这样，他得以解开这个谜。
In this way 表示“就这样”；be able to solve the mystery 表示“能够解开谜团”。
The explanation was simple but very unusual.
解释很简单，却非常不寻常。
simple but very unusual 是简洁的对比结构，突出故事离奇。
A bird had up the snake from the ground and then dropped it on to the .
原来是一只鸟把蛇从地上抓了起来，然后又把它扔到了电线上。
had snatched up... and then dropped... 用过去完成时交代更早发生的动作；snatch up 表示“猛地抓起”。
The snake then wound itself round the .
于是那条蛇就把自己缠在了电线上。
wind oneself round... 表示“缠绕在……”；itself 强调动作回到蛇本身。
When it did so, it sent down to the ground and these immediately started a fire.
它这样一来，电火花就被送到了地面，而这些火花立刻引起了一场大火。
When it did so 中 do so 代指前句动作；send sparks down to... 是因果链核心；these 指代 sparks。
本课怎么学：Lesson 53 Hot snake
新概念英语二 · Lesson 53 Hot snake。建议按朗读跟读 → 单词 → 语法常考题 → 进度标记完成一课。
- 听朗读并对齐跟读：打开「Lesson 53 Hot snake」在线朗读，播放时用句级跟读高亮对齐每一句，先听懂大意再跟读。
- 过本课核心词：重点记本课单词：fireman、cause、examine、accidentally、remains、wire；结合原文句子记忆，不要只背中文释义。
- 看语法并做常考题：先读语法点「Since then + 现在完成进行时」，再做 1–2 道本课常考题，确认能在原文里定位对应句。
- 标记学习进度：学完后把本课标为「学习中」或「已完成」，方便下次从进度清单继续。
常见问题
- 新概念英语二Lesson 53 Hot snake主要学习什么？
- 本课题材新奇，以“蛇触电”构成故事悬念，适合训练表示危险、反应和因果链条的词汇，并注意标题中 hot 的非常规含义。
- Lesson 53 Hot snake需要重点掌握哪些单词？
- 重点单词：fireman、cause、examine、accidentally、remains、wire、volt、mystery。建议连回原文句子记忆，不要只背中文释义。
- Lesson 53 Hot snake的核心语法是什么？
- Since then + 现在完成进行时：Since then, they have been trying... 表示“从那以后一直在努力”，既写出起点，也写出持续过程。 be not able to / be able to：were not able to find... 和 was able to solve... 在同一课里形成前后对照，突出“先找不到，后来终于找到”。
- put out a fire 是什么意思？
- put out a fire：扑灭大火
- find out how the fire began 是什么意思？
- find out how the fire began：查明火是怎么引起的
- 火灾一开始为什么显得难以解释？
- 因为消防员没有找到常见的起火证据，既不是碎玻璃，也不是香烟头，所以形成了悬念。
- 本课真正的 cause 是什么？
- 是一只鸟把蛇抓起后扔到高压线上，蛇缠住电线产生火花，火花落地后引发了森林火灾。
- do so 在 When it did so 里代替什么？
- 代替前一句中的 wound itself round the wires，用来避免重复整个动作。
- 概括本课时最容易漏掉哪一层？
- 最容易漏掉‘鸟’这一环。若少了它，整条事故因果链就不完整了。
- 新概念英语二 Lesson 53 Hot snake 怎么学？
- 先听朗读并开句级跟读，再过单词/注解与语法知识点，最后做 1～2 道常考题并标记进度。
整理：学习盒子（StudyBox）教研 · 更新：2026-08-14
单词表
开始背诵本课单词fireman
/ˈfaɪəmən/
消防队员
精讲
- hydrant [5ηαιδρΕντ] n.消防栓, 消防龙头
- fire extinguisher : 灭火器 extinguisher [Ικ5στΙΝ⊥ωΙΦΕ(ρ)] n.熄灭者, 灭火器
- extinguish＝put out : 灭火
cause
/kɔ:z/
原因；引起
精讲
- cause sth : 引起麻烦
- Carelessness causes accidents. 粗心导致事故
- Pride causes failure骄傲使人失败 failure [5φειλϕΕ]
- cause sb to do sth : 引起某人做某事, 导致某人做某事
- Illness caused him to lose his temper (lose his temper 发火)
- because : 因为 be cause
- reason : 理由, cause : 原因
- cause : 强调事情发生的直接原因(一个)
- reason : 其他各种的理由(很多个)
examine
/ɪɡˈzæmɪn/
检查
精讲
- examine the soil
- check : 核实, 核对
accidentally
/ˌæksɪˈdentəli/
偶然地
精讲
- accident－》accidental－》accidentally
- accident : 事故
- unexpectedly : 出乎意料地(更趋向于 “意外” 的意思)
remains
/rɪˈmeɪnz/
残骸；遗骸
精讲
- remains指dead body
wire
/ˈwaɪə(r)/
电线
精讲
- electric wires 是事故发生的关键位置
volt
/vəʊlt/
伏特
精讲
- a 16,000-volt power line 表示高压电线
mystery
/ˈmɪstri/
谜
精讲
- mystery(无法接受地, 解释不了的)
snatch
/snætʃ/
一把抓起
精讲
- catch : 如抓鱼
- hold : 握着
- snatch : (突然抓起来)强调动作的突然性
- seize : 抓住(用力)seize my arm
spark
/spɑ:k/
火花
精讲
- sparks down to the ground 是点燃森林的直接原因
hot
—
adj 带电的, 充电的
精讲
- hot热的, hot-hot-hot : 麻辣烫
- hot-wings : 辣鸡翅
- hot-tempered : 火暴(脾气)的 temper[5τεμπΕ] n 脾气 v. (冶金)回火、锻炼, 调和, 调节
- hot line : 热线
- hot topic : 热门话题
- hot cake : 热蛋糕
- hot dog : 热狗
- It sells like a hot cake/cakes 表示一个东西的畅销, 热销
- hot新鲜的
- best seller : 畅销的东西
- hot potato棘手的问题
- hot news最热点的新闻
- hot snake触电的蛇
power line 电力线
—
—
solve
—
v 解决
精讲
- solve the mystery
- solve the problem
短语
背诵本课短语| 短语 | 意思 |
|---|---|
| put out a fire | 扑灭大火 |
| find out how the fire began | 查明火是怎么引起的 |
| be caused by | 由……引起 |
| the remains of a snake | 一条蛇的残骸 |
| be wound round the wires | 缠绕在电线上 |
| solve the mystery | 解开谜团 |
| send sparks down to the ground | 把火花打到地面上 |
| hot line | 热线 |
| hot topic | 热门话题 |
| hot cake | 热蛋糕 |
| hot dog | 热狗 |
| It sells like a hot cake/cakes | 表示一个东西的畅销, 热销 |
| best seller | 畅销的东西 |
| fire extinguisher | 灭火器 extinguisher [Ικ5στΙΝ⊥ωΙΦΕ(ρ)] n.熄灭者, 灭火器 |
| cause sth | 引起麻烦 |
| cause sb to do sth | 引起某人做某事, 导致某人做某事 |
| Illness caused him to lose his temper (lose his temper | 发火) |
语法点
Since then + 现在完成进行时
Since then, they have been trying... 表示“从那以后一直在努力”，既写出起点，也写出持续过程。
相似句：
- Since then, we have been searching for the answer.
- Since that accident, he has been driving much more carefully.
be not able to / be able to
were not able to find... 和 was able to solve... 在同一课里形成前后对照，突出“先找不到，后来终于找到”。
相似句：
- At first we were not able to open the box.
- In the end, he was able to explain the mystery.
过去完成因果链
A bird had snatched up the snake... then dropped it... 这种连续动作很适合用先后顺序复述因果链，帮助把“为什么会起火”说清楚。
相似句：
- The bird had caught the snake before it dropped it on the wires.
- Because the snake had wound itself round the wire, sparks fell to the ground.
读写提示
- 复述这课时要把“排除常见原因”写出来，这样结尾的真相才更有冲击力。
- 讲因果链时别只说‘蛇导致起火’，要说清鸟抓蛇、蛇缠线、火花落地这几个环节。
- 标题题要特别注意 hot 的语境义，不能机械直译成“热的”。
- 这类故事适合积累 accident, cause, explanation, mystery 一组叙事词。
常考题
4
常考题
41火灾一开始为什么显得难以解释？
显示答案
答案：因为消防员没有找到常见的起火证据，既不是碎玻璃，也不是香烟头，所以形成了悬念。
2本课真正的 cause 是什么？
显示答案
答案：是一只鸟把蛇抓起后扔到高压线上，蛇缠住电线产生火花，火花落地后引发了森林火灾。
3do so 在 When it did so 里代替什么？
显示答案
答案：代替前一句中的 wound itself round the wires，用来避免重复整个动作。
4概括本课时最容易漏掉哪一层？
显示答案
答案：最容易漏掉‘鸟’这一环。若少了它，整条事故因果链就不完整了。
选择题精讲
4
选择题精讲
4Multiple choice questions
6He was able to solve the mystery. He ______.未做
a.could if he wanted to b.could but he didn't want to
c.succeeded in solving it d. didn't succeed in solving it
6key phrase : be able to＝can, succeed in doing未做
11In this way he was able to solve the mystery. ______he did it.未做
a.That's so b.Like this c.That's how d. So
11in this way以这种方式 = that’s how未做
显示答案与解析
like 在英文中不表示方式, 只表示两者的东西很象
补充精讲
1
补充精讲
1Summary writing
- 摘要写作
- 1 Have firemen put out a big forest fire in California or not? Have they been trying to discover its cause?(Now that ...)
- 2 Was there any evidence that it was started by broken glass or by a cigarette end or not?
- 3 Who has just solved the mystery?(However)
- 4 What did he notice? Had it been dropped by a bird on to the electric wires or not?(which)
- 5 Where did the snake wind itself? What had it sent to the ground? Did this cause the fire or not?(In winding... and)
- 1 now that 既然
- Now that fireman have put out a big forest fire in California ,they have been trying to discover its cause.
- 2 evidence n 证据
- 区分同位语从句与定语从句地区别 :
- 如果that做了主语或者宾语, 是定语从句
- 如果that既不作主语也不作宾语, 是同位语从句
- fact , evidence 的后面往往是加同为语从句
- 5 (in) winding itself around the wires the snake had sent sparks to the ground and it caused the fire.
- 介词 “in” “on” 放在动词 “-ing” 前面的理解方式和没有 “in” “on” 的理解方式一样