Mails, games, music, news, chat rooms and shopping! The Interent is part of our life today. It's easy to get onto the Internet. The only thing we need to do is to use a modem(调制解调器) which is used for connecting a computer to a telephone line. The Internet is changing and growing all the time. More and more people have computers and use the Internet. Using the Internet means surfing the World Wide Web(That's the “WWW” you always hear about). The Internet has a large number of websites(网站). They are the places where you go to get information and do things.
     Where do these websites come from? They are made by web designers. What happens when you click on a word or a picture? You are sent to another page. It's all because of the web designers. Web designers do a lot of work by using a computer programming(程序编制) language.
     Is web design all about computer programming? No, it's about making something new. Web designers must imagine a lot when they are making a website. It must look good and be fun to use. A big part of web design is art. They choose the best pictures and colors to make the website look good. They also write the things that you see on the website. An important part of their job is to share ideas with the website manager about how to design the website well.

美国在1787年宪法制定时，詹姆斯·麦迪逊将参议院的用途描述为“一个抗御……反覆与激情的必要防护。”华盛顿说：“我们将法条（来自众议院）倒入参议院碟手里冷一冷。”这说明参议院的创立者们希望（    ）

请分析下列资料，回答相关问题：

资料一：近年来，越来越多的人喜欢养狗、猫等宠物，这为狂犬病的传播带来隐患．我市狂犬病发病率呈逐年上升趋势，狂犬病患者一旦发病几乎全部死亡．专家提醒：如被宠物咬伤，应在24小时内注射狂犬疫苗．

资料二：几年前曾经肆虐的甲流，因为甲流疫苗的广泛使用而得到了有效遏制，而没有接种过甲流疫苗的人则往往容易患病．

资料三：古人云：“是药三分毒”．但在我国，滥用抗生素的现象却非常普遍，有的人把它当作感冒等疾病的“万灵丹”．据不完全统计，我国每年约有8万人直接或间接死于滥用抗生素．