课后答案
Unit1Passage A Care for Our Mother Earth
Read and think 31~5 BBCADRead and complete 61.strategies 2.specific 3.consumers 4.released 5.trapped 6.consequence7.was isolated 8.priority 9.convenience 10.elementsRead and complete 71. transform2. all the way3. sit back4. resulting from5. share…with
Passage B Frog StoryRead and think 121~5 DACABRead and complete 131. subtle2. were overtaken3. species4. decades5. boundaries6. audio7. directly8. focus9. tone10.