4. Biogas creates a lot of smoke.
5. The new energy source is not costly
IV. Rewrite the sentences so that they have the same meaning as the original ones.
1. The new restaurant looks good. It seems to have few customers. (however)
2. Mary was sick. She didn’t leave the meeting until it ended. (despite)
3. Mr Long lived in the countryside when he was a child.-->Mr Long used ____________
4. We will plant more trees along this street. -->More trees ____________________________
5. Is pollution the most serious problem? -->Pollution is ________________________
6. This is my computer-->This computer is …………………………………….…
7. My foot was hurt. I managed to walk to the nearest village. (although)
V: Find the words which has a different stress pattern .
1.A. renewable B. environment C. eco-friendly D. abundantly
2. A. malnutrition B. supersonic C. underwater D. intelligent
3. A. comfort B. spacious C. traffic D. resource
4. A. industry B. density C. consider D. million
5. A. different B. dangerous C. pollution D. plentiful
6. A. environment B. petroleum C. effectively D. fashionable
7. A. solution B. question C. pollution D. selection
8. A. homeless B. describe C. skyscraper D. violence