过河的船 · River Crossing Puzzle
过河的船
River Crossing Puzzle
👁 4 次浏览 · views
打开地图——一条河流宽三百米，一条船的行驶速度是每分钟五十米！
Open the map — A river is 300 meters wide, and a boat travels at 50 meters per minute!
📖 趣味知识 / Fun Fact
yī一tiáo条hé河liú流kuān宽sān三bǎi百mǐ米，yī一tiáo条chuán船de的xíng行shǐ驶sù速dù度shì是měi每fēn分zhōng钟wǔ五shí十mǐ米。suī虽rán然shuǐ水liú流měi每fēn分zhōng钟huì会bǎ把chuán船xiàng向xiǎo小yóu游chōng冲zǒu走shí十mǐ米，dàn但rú如guǒ果chuán船zhí直zhí直dì地kāi开wǎng往duì对àn岸，xū需yào要jǐ几fēn分zhōng钟？dá答àn案shì是：liù六fēn分zhōng钟！yīn因wèi为zhí直jiē接kuà跨yuè越hé河kuān宽de的chuán船sù速shì是měi每fēn分zhōng钟wǔ五shí十mǐ米，sān三bǎi百chú除yǐ以wǔ五shí十děng等yú于liù六。shuǐ水liú流zhǐ只huì会gǎi改biàn变chuán船luò落xià下de的wèi位zhì置，bù不yǐng影xiǎng响dào到dá达duì对àn岸de的shí时jiān间。
A river is 300 meters wide, and a boat travels at 50 meters per minute. The current pushes the boat downstream at 10 meters per minute. How long does it take for the boat to cross straight to the opposite bank? The answer is 6 minutes! 300 divided by 50 equals 6.
🤔 Why?
为什么过河的船这么有趣？
Why is River Crossing Puzzle interesting?
虽然水流每分钟会把船向小游冲走十米，但如果船直直地开往对岸，需要几分钟。
The current pushes the boat downstream at 10 meters per minute.
👧 Compare With You
你住的城市和今天学的地方，有什么相同和不同？ What is similar or different between where you live and today's place?
- ✔ 在地图上找家乡 Find your hometown on a map
- ✔ 说说当地天气 Talk about local weather
- ✔ 画一画家附近的街景 Draw streets near your home
- ✔ 一条河宽三百米，船速度每分钟五十米，水流冲下游每分钟十米 一条河宽三百米，船速度每分钟五十米，水流冲下游每分钟十米
- ✔ 船直直开往对岸要几分钟？答案：六分钟！船速五十米每分钟， 船直直开往对岸要几分钟？答案：六分钟！船速五十米每分钟，三百除以五十等于六
- ✔ 水流会把船冲下游，但到达对岸仍需六分钟 水流会把船冲下游，但到达对岸仍需六分钟
- ✔ 和“河流”有关 Related to river
- ✔ 和“船”有关 Related to boat
📚 Vocabulary
💬 Learn Sentences
yī一tiáo条hé河liú流kuān宽sān三bǎi百mǐ米，yī一tiáo条chuán船de的xíng行shǐ驶sù速dù度shì是měi每fēn分zhōng钟wǔ五shí十mǐ米。
A river is 300 meters wide, and a boat travels at 50 meters per minute.
suī虽rán然shuǐ水liú流měi每fēn分zhōng钟huì会bǎ把chuán船xiàng向xiǎo小yóu游chōng冲zǒu走shí十mǐ米，dàn但rú如guǒ果chuán船zhí直zhí直dì地kāi开wǎng往duì对àn岸，xū需yào要jǐ几fēn分zhōng钟。
The current pushes the boat downstream at 10 meters per minute.
🎤 口语练习 / Speaking Practice
请跟着读： Repeat after me:
suī虽rán然shuǐ水liú流měi每fēn分zhōng钟huì会bǎ把chuán船xiàng向xiǎo小yóu游chōng冲zǒu走shí十mǐ米，dàn但rú如guǒ果chuán船zhí直zhí直dì地kāi开wǎng往duì对àn岸，xū需yào要jǐ几fēn分zhōng钟。
The current pushes the boat downstream at 10 meters per minute.
🎯 Fun Challenge
Multiple Choice小船直直开往对岸，一共需要花费多少分钟？
How many minutes does it take the boat to cross straight to the other side?
💡 想一想刚才读到的内容。 Think about what you just read.
答对了！三百米除以每分钟五十米，需要六分钟。 Correct! 300 meters divided by 50 meters per minute equals 6 minutes.
💭 Think About It
你还有别的答案吗？和家人讨论一下！
Do you have another answer? Discuss with family!
哇！ Wow!
shuǐ水liú流zhǐ只huì会gǎi改biàn变chuán船luò落xià下de的wèi位zhì置，bù不yǐng影xiǎng响dào到dá达duì对àn岸de的shí时jiān间。
300 divided by 50 equals 6.
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