生活中的科技

生活中的科技越簡(jiǎn)單，生活越舒適。

Tires Change Shape

The shape of these new tires（輪胎）can change. It happens really fast！ The car does not have to stop or even slow down. A person in the car pushes a button， and tires change from a round shape to triangular tracks（三角形的履帶）in just two seconds. Engineers made the tires to help people drive in different conditions.

Round tires are best for hard， flat roads. Tires shaped like triangles touch more of the ground than round tires do. They are best for soft or bumpy ground. These new tires make it easy to drive off-road（越野的）. People in the army can use the tires. Then they can get where they need to go.

生詞好句

triangle /tra？？？gl/ n. 三角（形）；三角形之物

I like my triangle ruler. 我喜歡我的三角尺。

bumpy /b？mpi/ adj. 顛簸的；崎嶇不平的

It is going to be a bumpy ride. 這將是一段顛簸的旅程。

考點(diǎn)詳解

make it +adj./n. +to do sth.

These new tires make it easy to drive off-road. 這些新輪胎使越野駕駛變得很容易。

在“make + it + adj. / n. + to do”結(jié)構(gòu)中，it為形式賓語(yǔ)，不定式to do為真正意義上的賓語(yǔ)，而adj. / n. 為賓語(yǔ)補(bǔ)足語(yǔ)。如：

1）The Internet makes it easy to communicate with each other.互聯(lián)網(wǎng)使得彼此間交流很容易。

2） He makes it a rule never to borrow money. 他立志決不向別人借錢(qián)。

變形輪胎

這款最新輪胎擁有快速變形的設(shè)計(jì)。車輛無(wú)需減速或停止，只需按下按鈕，便可在2秒內(nèi)從圓形車輪變?yōu)槿切温膸?。工程師們研發(fā)的這項(xiàng)新技術(shù)，讓輪胎能夠適應(yīng)各種路面。

傳統(tǒng)的圓形輪胎適合堅(jiān)硬、平坦的道路，而三角形的輪胎與地面接觸面積更大，面對(duì)坑洼、泥濘的路段，有較好的表現(xiàn)。如此一來(lái)，車輛能夠全地形行駛，滿足軍方的行軍需求。

我來(lái)挑戰(zhàn)

"Watch" TV With Your Fingers

聾啞人可以“看”電視啦

Some people are deaf. They cannot hear. Some people are blind. They cannot see. Other people are both deaf and blind. They cannot hear or see. They use the sense of touch instead. They read using touch. Now they can use touch to find out what is on TV！

People who are both deaf and blind use a kind of writing called Braille（盲文）. People feel bumps with their fingers to read. They can use a special machine to read in Braille. The machine has pins that go up and down， making bumps that spell out different words.

Now， a computer program from Spain helps turn TV into Braille. Computers can send the words from a TV show to a smart phone. The phone sends the words to the machine. People can use their fingers to read what is happening on TV.

有些人耳聾，他們聽(tīng)不見(jiàn)。有些人是盲人，他們看不見(jiàn)。還有些人既聾又盲，有視聽(tīng)障礙。他們只能利用觸覺(jué)閱讀。如今，他們通過(guò)觸摸，也能及時(shí)享受電視節(jié)目了！

盲人使用的文字叫做“點(diǎn)字”或“凸字”。通過(guò)盲文機(jī)的針孔運(yùn)行在紙張上制作不同組合的凸點(diǎn)，代表不同的字母組合，繼而可以用手指觸摸進(jìn)行閱讀。

如今，西班牙開(kāi)發(fā)了一款軟件，能夠?qū)㈦娨暪?jié)目轉(zhuǎn)換為盲文。軟件編譯字幕后，將其轉(zhuǎn)發(fā)到智能手機(jī)上，然后通過(guò)程序發(fā)送至盲文機(jī)，完成手指閱讀與電視節(jié)目的完美同步。

Take A Bite Out Of Plastic Trash

吃掉包裝

A lot of food comes wrapped in plastic（塑料）. Plastic keeps food fresh and clean. But all those wrappers end up in the trash or as litter. Plastic can stay on the ground for a very long time. It can also harm animals that try to eat it.

But what if there was a different kind of wrapper that was safe to eat？ Wrappers that people eat would not end up in the trash， and even if they did， they would fall apart fast.

Scientists are trying to make food wraps from fruits and vegetables. These wraps are like thin fruit strip（條狀的）snacks. They taste good and help protect food from germs. But so far， they do not stay strong in water. Also， they do not stretch as much as plastic wrap does. So the scientists are working to improve them.

Scientists in Oregon（俄勒岡州）made a different kind of food wrap. They combined material that comes from wood with something from the shells of crabs（蟹）and shrimps（蝦）. The wrap they made stays strong in water. Just like plastic wrap， it protects food and keeps it fresh. But you cant eat plastic. This new wrap is good to eat.

These new food wraps are not on the market yet. But soon you may be able to eat your food—and its wrapper， too！

大多數(shù)食品是用塑料包裝包裹的。……