上海牛津英语pollution

suppose=v. pretend, think it is true 假设
• suppose (that) • Let’s suppose that the news is true. • Suppose you had 1 million dollars, what could you do ?
Magnolia n.（植物）木兰
• The best-known trees in Shanghai are magnolia trees. They have large, sweetsmelling flowers which are known as the flowers of Shanghai city. Magnolia trees are small to medium-sized trees noted for their large, showy blossoms in early spring, and large leaves.
palm treห้องสมุดไป่ตู้s 棕榈树
• There are many different kinds of palm trees. The coconut palm produces coconuts whose outside shell can be made into ropes or burned for firewood. The milk can be drunk and the flesh of the coconut can be eaten. Oil pressed from the flesh is used both for cooking and in skin creams. The leaves are used to make brooms.
banana trees
• The banana tree is usually called a tree, but it is not really one because its trunk is not made of wood. It produces fruit and its leaves can be used as roofing material.
pollution n.=making things dirty and unhealthy污染,污染物 pollute v.=make dirty污染
• The oil made the pollution of our beaches. • Pollution in the air reduced the visibility near the airport. • The rivers were polluted with chemical waste from factories. • polluted rivers/water/air
nut
rubber tree
walnut cotton
beans
cocoa
• Nuts, eg, walnuts, cola nuts (used in Coca-cola) • Beans, eg, coffee, cocoa (used to make chocolate) • Cotton plants are planted fresh every year in tropical and subtropical areas. Cotton is used to make fabrics. • Oil, eg, coconut oil, palm oil • Tea is made from leaves. • Rubber is made from the sap of the rubber trees.
Breathe v. 呼吸 breath n. 呼吸
• • • • • Take a deep breath. How do you feel now? I almost can’t breathe.=It’s hard to breathe. I want to breathe the pure and fresh air. Please breathe slowly and calm down. He is breathing fast.
release= v. let sth./sb. go free从… 释放出来
• Four prisoners were released. • The police released the thief. • Trees take harmful gas from the air, and release oxygen into the air. • We are released=We are set free.
average n./a.平均的，平均数
• The workers’ average income in this company is 1500 yuan per month. • The average ages of trees are 4000years. • What is the average height of these boys?
• Air pollution: the leaves of trees remove dangerous chemicals and dirt from the air and produce oxygen. • Water pollution: trees around reservoirs help keep the water clean by removing dust and dirt from the air, and their roots prevent the soil from washing into the water. • Noise pollution: trees reduce noise from vehicles.