上海牛津八下unit1-Pollution-Fighters3页.doc

Pollution Fighters一根据课文中句子意思和所给的首写字母，补全下列句子中所缺的单词：1. Trees are the biggest and o_ l_ things on E_. 2. Trees are u_ for many things.3. Trees are n_air conditioners, they can c_the air, c_the air and make f_air.4. Trees can w_ the other trees a_ them that insects attack a tree.5. Trees can j_ their roots together underground and p_ each other food and water.6. Trees can c_ with one another.二翻译下列词组1. 关心