假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处错误。每处错误仅涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏子符号（∧），并在此符号下面写出该加的词。

删除：把多余的词用（＼）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1. 每处错误及其修改均仅限一词；2  只允许修改10处，多者（从第11处起）不计分。

    Cars are everywhere. In big city and small towns, the preferred method of transportation is the automobile. People can get to where they need to go quickly and easy, and it has given a new kind of freedom to many people who may not have experienced it ago. But was driving really the best thing for our society? I argue that it is not. First, pollution was a serious problem, and more cars only make them worse. There is just not way to reduce pollution without decrease the number of cars on the road. Second, cars are very dangerous. Traffic accidents are responsible tens of thousands of deaths every year. Finally, cars are so expensive for most people to afford. However, that doesn't stop low-income families from spending the most of their money to pay for the family car.

化学就在身边，为了应用所学知识，小明取刚降到地面的雨水进行研究．

（1）若用酸碱指示剂检验该雨水的酸碱性，方法是{#blank#}1{#/blank#} ．

（2）若用pH计每隔几分钟测一次该雨水的pH，数据如表：

①该雨水是否为酸雨？{#blank#}2{#/blank#}（填“是”或“不是”）．

②上表数据的pH能否用pH试纸测得？{#blank#}3{#/blank#}（填“能”或“不能”）．

③从上表数据中，你还能得出该雨水的一个结论是{#blank#}4{#/blank#} ．

（3）可用于检验该雨水是否为硬水的物质是{#blank#}5{#/blank#}．

根据地理方位，亚洲可以分为{#blank#}1{#/blank#}地区，南亚面积最大的国家是{#blank#}2{#/blank#}．

根据地理方位，亚洲可以分为{#blank#}1{#/blank#}地区，南亚面积最大的国家是{#blank#}2{#/blank#}．

The information about the disease on the Internet is not as accurate as________obtained from the doctors.

已知圆的渐开线的参数方程是{#mathml#}$\left\{\begin{array}{c}x=\cos \phi +\phi \sin \phi \\ y=\sin \phi -\phi \cos \phi \end{array}\right.${#/mathml#}  ( {#mathml#}$\phi${#/mathml#} 为参数)则此渐开线对应的基圆的直径是{#blank#}1{#/blank#}，当参数{#mathml#}$\phi =\frac{\pi }{4}${#/mathml#}  时对应的曲线上的点的坐标为{#blank#}2{#/blank#}

已知圆的渐开线的参数方程是{#mathml#}$\left\{\begin{array}{c}x=\cos \phi +\phi \sin \phi \\ y=\sin \phi -\phi \cos \phi \end{array}\right.${#/mathml#}  ( {#mathml#}$\phi${#/mathml#} 为参数)则此渐开线对应的基圆的直径是{#blank#}1{#/blank#}，当参数{#mathml#}$\phi =\frac{\pi }{4}${#/mathml#}  时对应的曲线上的点的坐标为{#blank#}2{#/blank#}

关于亚洲的地理位置，说法正确的是（ ）

   Today we'll talk about the history of blue jeans. For many people, blue jeans stand for (代表) American culture. The history of blue jeans usually began with a man named Levi Strauss. He did not invent jeans. But he is the first person to produce and sell them in large numbers. Levi Strauss was born in Germany. In 1847, he and his family moved to the United States. He opened a small store and sold jeans. These pants were especially useful for miners (矿工) in California. They needed strong clothing. Levi Strauss worked with Jacob Davis, who had invented a step for making rivets (铆钉) for jeans. They helped make the blue jeans stronger.
   In 1873, Strauss and Davis received a patent (专利) to own this invention. Nineteenth century workers would probably be surprised to know that their pants would one day become fashions. Today, jeans are worn by people of all ages. Jeans come in many colors other than blue and in many styles and prices. Fashion designers even create very costly jeans.
   Writer James published a book called Jeans: A Cultural History of an American Icon (偶像). In the book, he says jeans serve as a sign for two American values, creativity and rebellion (叛逆).

   Today we'll talk about the history of blue jeans. For many people, blue jeans stand for (代表) American culture. The history of blue jeans usually began with a man named Levi Strauss. He did not invent jeans. But he is the first person to produce and sell them in large numbers. Levi Strauss was born in Germany. In 1847, he and his family moved to the United States. He opened a small store and sold jeans. These pants were especially useful for miners (矿工) in California. They needed strong clothing. Levi Strauss worked with Jacob Davis, who had invented a step for making rivets (铆钉) for jeans. They helped make the blue jeans stronger.
   In 1873, Strauss and Davis received a patent (专利) to own this invention. Nineteenth century workers would probably be surprised to know that their pants would one day become fashions. Today, jeans are worn by people of all ages. Jeans come in many colors other than blue and in many styles and prices. Fashion designers even create very costly jeans.
   Writer James published a book called Jeans: A Cultural History of an American Icon (偶像). In the book, he says jeans serve as a sign for two American values, creativity and rebellion (叛逆).