读课文并根据课文判断 True or False. ( )1. The Great Wall first was built during the Qin Dynasty. ( )2. The Great Wall was built to protect their countries against the enemies. ( )3. At that time, one third of China ’ s population were made to build the Wall ( )4. At that time, people could carry the rocks and bricks to the top of mountains with some machines. ( )5. People used the bricks and stones to build a wall around the earth. ( )6. The Wall which we can see now was rebuilt during the Ming Dynasty. ( )7. The Great Wall is one of the wonders in the world and was listed by the UNESCO as a World Heritage Site. ( )8. In ancient time, soldiers made fire to keep warm on the beacon towers.