MCQOPTIONS
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| 1. |
Study the given diagram. What can the bus-driver do to reduce the pollution caused by his bus? |
| A. | Send the bus for servicing more regularly |
| B. | Tie a plastic bag around the exhaust pipe |
| C. | Use a bigger exhaust pipe |
| D. | Put a silencer at the exhaust pipe |
| Answer» B. Tie a plastic bag around the exhaust pipe | |