Em hãy so sánh đặc điểm cấu tạo ngoài của Ếch đồng và Thằn lằn bóng để thấy sự tiến hóa của Thằn lằn so với Ếch đồng.

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5. The traffic/ a nightmare/ visitors/ Viet Nam/ the first time. ........................................................................................................................ 6. More people/ own/ private cars/ it/ make/ the problem/ the traffic jams/ worse. ........................................................................................................................ 7. Pedestrians/ get injured/ hit easily/ when/ they/ walk/ the pavements/ cross the roads/ such times. ........................................................................................................................ ........................................................................................................................ 8. Road users/ very impatient/ quite aggressive/ constantly using their horns/ even shouting/ others. ........................................................................................................................ 9. Three or four people/ one motorbike/ a common sight/ particularly/ young people. ........................................................................................................................ 10. Some people/ install/ air horn/ their motorbikes/ this/ really annoying/ other people/ sometimes/ it cause/ accidents. ........................................................................................................................ ........................................................................................................................