51.短文改错

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。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）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.每处错误及其修改仅限一词；2.只允许修改10处，多者（从第11处起）不计分。

The World Health Organization said（says） that 92 percent of the world’s population live in areas of high air pollution. Experts say much of that pollution comes from vehicles fueling(fueled) by diesel.

Many cities in Europe have called for end（ending） the production of diesel cars. They hope to replace them with electric vehicles but（as或because） their quality has improved. London is one of the most heavy（heavily） polluted cities in Europe. Levels of harmful gases in the city are regularly higher than limits set by the European Union. Martin Williams says pedestrians(行人) often do not realize how close they are to air pollution sources because（加of） they cannot see it（them）. He says people across Great Britain have being（去掉） died too early because the pollution. Experts say electric cars could offer a（an） answer to air pollution in most city（cities）. They add, however, that the electricity should be created using renewable energy.