您好，可以根据字数进行自行删减：The development of science and technology makes our life more comfortable and However， scientists have created many problems， which are not easy to be resolved， such as air pollution， the deterioration of environment and the scarcity of natural resources， to which we must some Modern science and technology render people many Modern telecommunication shortens the distance between people and makes communication much Internet is widely used now not only for collection of abundant information but also for Email， the most effective communication device now， is becoming very Besides， telephone and mobile phone make contact more convenient than Modern transportation， such as airplanes and high-speed trains make our journey smooth and With the help of modern transportation， people can go everywhere they prefer The journey to outer space and other planets is not a dream any Rockets and space shuttles can help us realize the dream of space Modern medicine prolongs peoples life and relieves patients of sufferings from many Cancer and AIDS are fatal to peoples Thanks to the endeavors scientists have made， these diseases become However， the process of scientific development also arouses many sever problems to our human Internet， though widely used in modern communication， is easy to be destroyed by computer Outer space exploration has produced much waste in the A tiny metal， a screw， for example can destroy a flying man-made Industrialization is making natural resources become Confronted with these problems， scientists are seeking prompt and feasible The development of science and technology bring about both positive and negative effects to We must eliminate the positive effects to the least
I'm wangNan，a student of N1 Middle S I have a gooa friend，JHe' an USA We are both in Class Two，Grade EShe is 15 years old，one year older than We both study I'm good at physices，but she's good at We often help each other with Both of us like helping We both like sports very Jim enjoy playing but Ilike palying She likes green but Ilike Tough we are different in my ways，we are good friends
写作思路：从文章的写作目的、中心主旨入手，以使文章中心思想鲜明、深刻地表现出来，正文：Modern technology makes life more convenient; Tools are milestones of scientific and technological progress and human Man used to saw trees with a hand saw， but now， a tree can be sawed down in a few minutes with a 现代科技使生活更加便捷；工具是科技进步和人类进步的里程碑。人类过去用手锯锯树，但是现在，用电锯可在几分钟内锯倒一棵树。Another example is more vivid: if you have something urgent to inform your friend， and his home is 2 hours away from your home， you may want to make a phone But there is no telephone in your friend's What should you do?另外一个例子更加生动形象：如果你有急事通知你的朋友，而他家距你家有2小时的路程，你可能想打个电话。但是你的朋友家又没安电话，你该怎么办？Nowadays， with the progress of modern science and technology， the use of internet has become very A few years ago， people had to search for a large amount of data to collect the required information， and finally they were exhausted and wasted a lot of Now， if you use the internet， everything will be a piece of As long as you tap the keyboard， you will be 如今，随着现代科技的进步，使用网络已很流行。若干年前，人们不得不查找大量资料来搜集需要的信息，最后人累得疲惫不堪，还浪费了大量时间。现在，如果使用网络，一切就都是小菜一碟了。只要轻敲键盘，就会有求必应。We all expect modern science and technology to reach a higher level， because modern science and technology really makes life more 我们都期待着现代科技能达到一个更高的水平，因为现代科技确实使生活变得更便捷。
21st century is the century of Nowadays， technology is everywhere around The development of technology has a significant affact toward the Several technologies that we usually use are the internet， computer， and These new technologies make our life much easier and First， the development of computer changes our Decades ago， people needed to do lots of complex calculation on hand because they did not have computer， and more obvious， they did not have the software for As the result of that， people spent hours on the equations that a computer can solve in just a Since the development of computer， people are able to use some kind of software to compute lots of complex functions and mathematical Computer becomes the most helpful equipment for the sciencists because they can use their time more Also， internet is another useful tool for us The development of internet brings a great impact toward the Instead of going to library and fliping all the books to figure out some information， we can just simply use a mouse and click on the website to do The internet leads us to a place where we can find unlimited information and It makes our life much easier and The last technology is Nowadays， many people have a But it just appears on the market for about 10 It is very convenience to the users because we can talk to anyone we want with a phone as small as a Also， we can communicate with others by making a phone call instead of sending It is very fast and useful way to In conclusion， I believe the development of technology brings significant impact to our It is very helpful to us and I believe technology will keep improving in
