8BU1Trees-P1-pollution-fighter

1、Unit one TreesHow much do you know about?1. How long do they live? Match the living things with the average ages.mice 70 yearstrees 150 yearstortoises 40 yearswhales 4,000 yearshumans 3 yearsHow much do you know about?2. Which of the following items come from trees? nuts b. cotton c. tead. beans e.

2、oil f. rubberTrees are _ _ living things on the Earth. And trees are very _ because they can _ many useful things.the oldestusefulprovideBefore you read1. Look at the title, the introduction and the pictures. Then tell “T” or “F”.Judy is collecting some facts for a class project on pollution. She is

3、 interviewing Doctor Ray, a scientist, about trees.Judy is a reporter for the school newspaper. _Doctor Ray always saves peoples lives. _The pollution fighters are probably scientist. _Trees are natural air conditioners. _Trees can pass information to one another. _FFFTTHow many questions did Judy a

4、sk?What are these questions?Why ? What ?Are trees in danger?We need a report.IntroductionGoodIn dangerTrees are _ _on the Earth. the biggest and oldest living things1. 2.3. 4.Trees make streets more beautiful and less noisy.Trees _ many useful things.Trees take harmful gases from the air, and release O2 back into the air.Trees cool the duce_ informationmoreWe cut down and burn millions every years, but we replace hardly any of them.We are destroying our best pollution fighters.Do trees have feelings?Trees