In the new century, people invented some "smart clothes". They {#blank#}1{#/blank#} (use) not only for covering your body, but also for many kinds of uses. Some kinds of smart clothes have come into the market. A German clothing maker has invented the"MP3 blue jacket". This kind of jacket has two functions. It is both an MP3 player {#blank#}2{#/blank#} a mobile phone. Besides, {#blank#}3{#/blank#} English company has developed a cloth keyboard that can be put onto your pants. You can control your computer with it {#blank#}4{#/blank#} (easy) anywhere. The keyboard can be washed {#blank#}5{#/blank#} it gets dirty. And it can be even ironed.

    As the technology improves, smart clothes will become much {#blank#}6{#/blank#} (smart). Researchers are developing clothes {#blank#}7{#/blank#} can show your body temperature and heat you up before you feel cold. Other smart clothes to wear are special medical ones. They can tell the doctor when you are {#blank#}8{#/blank#} danger. This technology can also provide important information about your environment. Shirts can warn you of high pollution levels. Jackets with GPS technology can keep you from {#blank#}9{#/blank#} (get) lost.

    People have begun {#blank#}10{#/blank#} (love) the idea. Probably, smart clothes will be common on Paris streets, and even in your own home one day.

    Over millions of years ago, there were no deserts. Now about three tenths of the Earth's surface{#blank#}1{#/blank#} deserts. The size of the world's deserts is always {#blank#}2{#/blank#} (change). Deserts can be hot or cold. The Australian Desert is a hot desert, while the Gobi Desert in Mongolia is an example of a cold desert. Deserts are dry areas {#blank#}3{#/blank#} less than 50 cm of rain falls each year. The Sahara Desert in Africa receives less than 1.5 cm a year. {#blank#}4{#/blank#} rain doesn't fall very often in deserts, sometimes even for years, there can be heavy rain {#blank#}5{#/blank#}(sudden). Because they are dry, deserts have wide changes in temperature each day. When the sun {#blank#}6{#/blank#}(go) up, it is very hot. At night, the heat {#blank#}7{#/blank#} (receive) by the ground during the day {#blank#}8{#/blank#} (quick) disappears (消失), and then it becomes very cold. Because{#blank#}9{#/blank#}the change, living in the desert is very difficult. Man can make deserts, but they can also stop them from getting larger and larger. Planting trees can prevent the sand from{#blank#}10{#/blank#}(spread).

    As we know, English is an important subject in middle school. Everyone knows that they must learn English well, but some people don't know how to be a good {#blank#}1{#/blank#} (learn). Here are, some tips that may help you with your English.

    The {#blank#}2{#/blank#} (big) problem is people's own fear. They worry that they won't say things correctly or that they will look foolish(愚蠢的) {#blank#}3{#/blank#} they don't talk at all. Don't be {#blank#}4{#/blank#} of being laughed at. Only when we aren't afraid of making {#blank#}5{#/blank#} (mistake) can we learn English well.

    The fastest way to learn anything is to do it again and again {#blank#}6{#/blank#} you get it right. Like anything else, learning English needs practice. Don't let a little fear stop you from getting what you want.

    The best way {#blank#}7{#/blank#} (learn) English is to have a good environment.

Take notes in English, put English books around your room, listen to English radios and {#blank#}8{#/blank#} English news, movies and programs. Speak English with your friends whenever you can. The {#blank#}9{#/blank#} (much) English material you have around you, the faster you will learn it.

    Many people think that exercises and tests aren't much fun. However, by {#blank#}10{#/blank#} (do) exercises and taking tests you can really improve your English. If you never test yourself, you will never know how much progress you are making.