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壶盖为什么会动

Why Does the Kettle Lid Move

⚠︎ 部分文字待校对
壶盖为什么会动 课本插图
壶盖为什么会动 课本插图
壶盖为什么会动 课本插图
壶盖为什么会动 课本插图
壶盖为什么会动 课本插图
壶盖为什么会动 课本插图

课文 Text

wǎ瓦tè特shì是liǎng两bǎi百duō多nián年qián前yīng英guó国de的kē科xué学jiā家

Watt was an English scientist of more than two hundred years ago

tā他xiǎo小shí时hòu候，yǒu有yī一tiān天kàn看nǎi奶nǎi奶zuò做fàn饭。yī一

When he was small he watched his grandma cooking one day. The

hú壶shuǐ水

a kettle of water

kāi开le了，hú壶gài盖bù不tíng停dì地shàng上xià下tiào跳dòng动。

…boiled, and the lid kept jumping up and down.

wǎ瓦tè特jué觉

Watt felt

dé得hěn很qí奇guài怪，jiù就wèn问：“nǎi奶nǎi奶，hú壶gài盖wèi为shén什me么

…thought it strange and asked, "Grandma, why does the lid

huì会dòng动？”nǎi奶nǎi奶shuō说：

…move?" Grandma said:

shuǐ水kāi开le了，shuǐ水zhēng蒸qì气

The water boiled, and the steam

chōng冲chū出lái来，hú壶gài盖jiù就dòng动le了。

…rushed out and the lid moved.

wǎ瓦tè特hái还shì是bù不míng明bái白。wèi为shén什me么shuǐ水kāi开le了jiù就

Watt still did not understand. Why, when water boils,

huì会yǒu有shuǐ水zhēng蒸qì气ne呢？wèi为shén什me么shuǐ水zhēng蒸qì气néng能ràng让hú壶

…is there steam? Why can steam make the kettle

chā差dòng动qǐ起lái来ne呢？tā他cháng常cháng常zuò坐zài在lú炉biān边，yī一biān边

…move? He would often sit by the stove and

kàn看yī一biān边xiǎng想。zhǎng长dà大hòu后，tā他zuò做le了hěn很duō多shì试yàn验。

…watched and thought. When he grew up he made many experiments.

hòu后lái来，tā他fā发míng明le了zhēng蒸qì汽jī机，chéng成le了yī一wèi位yǒu有

Later he invented the steam engine and became a

míng名de的kē科xué学jiā家。

…a famous scientist.

生字 Characters

hú壶gài盖

yīng英kē科qí奇guài怪

chōng冲ràng让cháng常shì试yàn验jī机wèi位

diào调yǔ语（Wordls andexpressions)

kē科xué学jiā家

shí时hòu候

qí奇guài怪

hái还shì是

cháng常cháng常

shì试yàn验

hòu后lái来

yǒu有míng名

fā发míng明

zhuān专yǒu有míng名diào调

wǎ瓦tè特

yīng英guó国

jù句le了（Semtenee)

shuǐ水zhēng蒸qì气néng能ràng让hú壶gài盖dòng动qǐ起lái来

课堂练习 Exercises in Class

miáo描yī一miáo描xiě写xiě写

yīng英

zhōng中

guài怪

cháng常

shì试

yàn验

dú读dú读

hú壶gài盖

shuǐ水hú壶

yī一hú壶shuǐ水

yīng英guó国

yīng英guó国rén人

yīng英yǔ语

kē科xué学

kē科xué学jiā家

qí奇guài怪

shēng生qì气

chōng冲chū出lái来

chōng冲shàng上qù去

chōng冲xià下lái来

ràng让kāi开ràng让yī一ràng让

cháng常cháng常

cháng常yòng用

shì试yàn验

shì试yī一shì试

jī机qì器

shǒu手jī机

fēi飞jī机

xǐ洗yī衣jī机

diàn电shì视jī机

yī一wèi位lǎo老shī师

yī一wèi位kē科xué学jiā家

kàng抗zhǎn展yǔ与tì替huàn换Expand and substitate

qí奇guài怪

kē科xué学jiā家

hěn很qí奇guài怪

yǒu有míng名de的kē科xué学jiā家

jué觉de得hěn很qí奇guài怪

chéng成wéi为yǒu有míng名de的kē科xué学jiā家

tā他chéng成wéi为yǒu有míng名de的kē科xué学jiā家，

wǎ瓦tè特jué觉de得hěn很qí奇guài怪

shuǐ水zhēng蒸qì气néng能ràng让hú壶gài盖dòng动qǐ起lái来

xiě写hěn很duō多hàn汉zì字le了

gē哥gē哥

kāi开chē车chū出qù去wán玩ér儿le了

fāng方fāng方

zì自jǐ己shōu收shí拾fáng房jiān间le了

duì对huà话（ialogue）

yún云yún云：nǐ你zhī知dào道wǎ瓦tè特de的gù故shì事ma吗？

fāng方fāng方：dāng当rán然zhī知dào道！tā他shì是yīng英guó国kē科xué学jiā家，tā他fā发míng明le了zhēng蒸qì汽jī机

yún云yún云：duì对a啊，tā他kàn看dào到hú壶gài盖bù不tíng停dì地shàng上xià下tiào跳dòng动，jiù就xiǎng想dào到le了hěn很duō多。wǒ我yě也xiǎng想

xiàng像tā他nà那yàng样，fā发míng明hěn很duō多dōng东xī西，

fāng方fāng方：nǐ你cháng长tiān天yǐ以hòu后xiǎng想zuò做shén什me么？

yún云yún云：wǒ我yào要zuò做gè个kē科xué学jiā家，nǐ你ne呢？

fāng方fāng方：wǒ我xiǎng想zuò做yí一gè个yī医shēng生，gěi给hěn很duō多rén人kàn看bìng病

xiǎng想yī一xiǎng想，shuō说yī一shuō说

（1）xiǎo小wǎ瓦tè特jué觉de得shén什me么shì事qíng情hěn很qí奇guài怪？

（2）nǐ你zhǎng长dà大yǐ以hòu后xiǎng想zuò做shén什me么gōng工zuò作？wéi为shén什me么？

阅读 Reading

lǔ鲁bān班yǔ与jù锯zi子

Lu Ban and the saw

jù锯zi子shì是zhōng中guó国rén人fā发míng明de的。

The saw was invented by the Chinese.

zài在liǎng两qiān千sì四bǎi百duō多nián年qián前，rén人men们yòng用fǔ斧tóu头kǎn砍shù树xiū修

More than 2,400 years ago people felled trees with axes to build

jiàn建fáng房zi子，kě可dà大shù树yòu又cū粗yòu又gāo高，yòng用fǔ斧tóu头kǎn砍yòu又lèi累yòu又

…build houses, but the trees were thick and tall, and felling them with an axe was tiring and

màn慢。yī一tiān天，yǒu有gè个jiào叫lǔ鲁bān班de的rén人，shàng上shān山qù去kǎn砍shù树。

…slow. One day a man called Lu Ban went up the hill to fell trees.

shān山lù路hěn很nán难zǒu走，lǔ鲁bān班jiù就yòng用shǒu手zhuā抓zhù住shān山shàng上de的xiǎo小

The mountain path was hard, so Lu Ban held on to the small

shù树、yě野cǎo草wǎng往shàng上pá爬。hū忽rán然，tā他gǎn感dào到shǒu手xīn心yī一zhèn阵

…trees and wild grass as he climbed. Suddenly he felt a sharp

téng疼tòng痛，zhāng张kāi开shǒu手yī一kàn看，shǒu手zhǎng掌yǐ已jīng经bèi被xiǎo小cǎo草gē割kāi开

…pain; he opened his hand and saw the grass had cut his palm

le了yí一gè个dà大kǒu口zi子，xiān鲜xuè血zhí直liú流。lǔ鲁bān班jué觉de得hěn很qí奇guài怪，

…a long cut, and blood ran out. Lu Ban thought it very strange,

kē棵xiǎo小cǎo草zěn怎me么néng能gē割pò破rén人de的shǒu手ne呢？tā他zǐ仔xì细yī一

…how could a blade of grass cut a hand? He looked closely

kàn看，yuán原lái来zhè这zhǒng种xiǎo小cǎo草de的yè叶zi子liǎng两biān边zhǎng长zhe着fēng锋lì利de的

…and saw that the leaves of this grass had sharp edges

xì细chǐ齿，shǒu手yī一zhuā抓jiù就bèi被gē割pò破le了。lǔ鲁bān班biān边kàn看biān边xiǎng想，

…fine teeth, and a hand that grasped it was cut. Lu Ban looked and thought,

rú如guǒ果yǒu有xiàng像zhè这zhǒng种yè叶zi子yī一yàng样fēng锋lì利de的gōng工jù具，bú不shì是

If there were a tool as sharp as this leaf, would it not

hěn很kuài快jiù就néng能bǎ把dà大shù树kǎn砍dào倒ma吗？hòu后lái来tā他zuò做le了hěn很duō多shì试

…could not a big tree be felled quickly? So he made many

yàn验，zhōng终yú于fā发míng明le了jù锯zi子

…experiments, and at last invented the saw

生字 Characters

lèi累téng疼tòng痛zhí直lì利yàng样

词语 Words

yuán原lái来

originally; as it turns out

téng疼tòng痛

pain

zǐ仔xì细

careful; carefully

gōng工jù具

tool

zhōng终yú于

at last