共9个样品课件nce2 lesson

Lesson

53Hot

Snake触电的蛇触电get

a

electric

shock★hotadj.热的；新鲜的；棘手的；带电的,充电的at

last★

fireman最后，终于put

outn.消防队员扑灭，熄灭，关掉请把火熄掉。Please

put

the

fire

out★forest

n.森林消防队员们终于扑灭了加利福尼亚的一场森林大火。(时态发生在过去，强调对现在的影响）1、At

last

firemen

haveputoutabig

forest

fire

in

California.forest虽然是名词，但在句中起形容词的作用，修饰fire。sincethen从那时起，到现在为止find

out表示经过研究、努力等“找出”、“查出”：I'll

try

and

find

out

thenameoftheperson

who

saved

my

life

yesterday.我将设法查出昨天救我命的那个人的姓名。（这里find

out的宾语是个从句）从句，火怎样开始的从那时起，他们一直试图找出起火的原因。2、Since

then,theyhavebeen

trying

to

findouthowthe

firebegan.★

cause v.&n.引起；原因①v.引起causesth.

引起麻烦Pride

causes

failure.骄傲使人失败cause

sb.to

do

sth.

导致某人做某事cause

by

sth

由某事引起②n.原因，强调事情发生的直接原因(一个)brokenglass被打碎的玻璃片cigaretteends烟头Throw

to,Throw

at,Throw

awaythrow“投,掷，抛，扔”throw

away

扔掉，丢弃

Many

people

throw

away

cigarette

endscarelessly.throw

to

(sb.)

扔给（某人）He

threwthe

balltome

andIcaught

it.throwat

对准某一目标扔

The

boy

threwastone

atthe

windowand

broke

it.森林火灾时常由破碎的玻璃或人们随手扔掉的香烟头引起3、Forest

fires

are

oftencaused

by

broken

glass

or

bycigarette

ends

whichpeoplecarelessly

throw

away.★examinev.检查examine

the

ground昨天，消防队员仔细查看了地面，4、Yesterday

the

firemenexamined

the

ground

carefully

，但未能发现碎玻璃。5、but

were

not

ableto

findanyborken

glass.be

able

to

能够；sure

有把握；确定besurethatquite

sure对……很有把握；相当的把握性quite－>rather－>fairly（程度一个比一个轻）start

afire＝cause

a

fire（start vt.使……发生，引起）他们还十分肯定火灾也不是由烟头引起的。6、They

were

also

quite

sure

thatacigaretteend

did

not

startthefire.accidentally

偶然地=by

accident=by

chancediscover本身含有偶然发现（某个已经存在的东西）的含义我不知道谁发现美洲的。Idon’t

know

who

discoveredAmerica.然而今天上午，一个消防队员偶然发现了起火的原因。。7、This

morning,

however,afiremen

accidentallydiscovered

the

cause.注意别人没注意的东西noticeremainA

few

pears

remain

on

the

trees.树上尚留有几颗梨子。剩下,余留This

room

remains

cool

all

summer.这个房间整个夏天保持凉爽。保持,仍是the

remains n.尸体,残骸表示“尸体，残骸”时，必须用复数形式.他发现了一条死蛇8、He

noticedthe

remains

of

asnake★windvt.缠绕，卷在……上；盘旋，蜿蜒①vt.缠绕，卷在……上（常与around/round连用）Did

youwindthis

piece

ofwireround

the

tree?②vt.蜿蜒，盘旋wind

one's

way

蜿蜒而行（2）wound为wind的过去分词。wind在这里表示“卷在……上”,“缠绕”，与around／round连用.wire指具体的电线、铁丝等，line在这里指“线路”，含义比wire广。是你把这根铁丝缠在树上的吗？Did

youwindthis

piece

ofwireround

the

tree?16,000-volt

power

line

连字符

“-”一旦加在两个词之间,这个词之间就失去了加复数的资格,能够加连字符的概念一定是做定语缠绕在16,000伏高压线上的9、which

was

wound

roundtheelectric

wires

of

a

16,000-voltpowerline.in

this

way

就这样solve v.解决solve

the

problemmystery

n.1.神秘的事物;难以理解的事物;谜2.神秘,秘密就这样，他解开了起火之谜10、In

this

way,

he

was

able

tosolve

themystery.explanation1、说明,解释It

needs

no

explanation.这无需解释。2.辩解;辩明What

did

he

say

inexplanation

of

hislateness?

他用什么话来为自己迟到辩白?3.(为消除误会等的)交谈,互相讲明I'vecome

to

an

explanation

with

him.我与他和解了。解释很简单，却异乎寻常。11

、The

explanation

wassimplebut

very

unusual.snatchv.(突然抓起来)强调动作的突然性一只鸟把蛇从地上抓起来，然后把它扔到了电线上12、A

birdhad

snatched

up

thesnake

from

theground

and

thendroppedit

onto

thewires.haddonedrop先发生的事无意掉下去的Drop

and

Falldrop vi.&vt.（使）掉下，（使）落下，放下（强调的是不小心或凑巧掉下来）当他走过那棵树时，一个苹果从树上掉了下来。

As

he

walked

past

the

tree,an

apple

droppedfrom

it.那侍者掉了一把叉子。The

waiter

dropped

a

fork.fall vi.落下，（强调的是掉下来的概念）（雨、雪等自然现象）下降,跌倒，摔倒我摔倒了并受了伤。I

fell

and

hurt

myself.请拿住这花瓶，别让它倒了。Please

hold

the

vase

and

don't

let

it

fall.秋天叶落时，我就会回来。When

leaves

fall

in

autumn,

I’ll

come

back.于是蛇就缠住了几根电线。The

snake

then

wounditselfround

the

wires.当它这样做时，把火花送到了地面，这些火花立刻引起了一场大火。14、When

it

did

so,

it

sentsparks

down

to

the

ground

andthese

immediately

started

a

fire.dosoI

refuse

to

do

so.这么做我拒绝这么做so常用于一些动词之后，代指前面提过的某个动作/某件事，以免重复I

think/believe

so.reason①n.理由，原因Give

me

your

reasons

for

going

there.reason后面通常跟why引导的从句：

That

was

thereasonwhy

themeetingwas

put

off.②v.推理，劝导，说服reason

withsb.

劝说(以道理)

How

canyou

reasonwithhimwhenheisso

worried?Cause

andReasoncause①n.原因，起因；Do

youknow

the