What is the highest mountain in the world?Mount Qomolangma.Which animal can live the longest in the world?Whales.Which animal is the fastest in the water?SailfishWhat is the longest river in China?The Changjiang River.Which animal is the fastest on land?Cheetahs.What is the longest river in the world?The Nile River.Which animal can live for about 70 years?Elephants.If there is a fire, you should call _ in America.911.If there is a fire, you should call _ in China.119If someone gets hurt, you should call _ in China.120If there is a fire , you should call _ in Canada.911How fast can cheetahs run?76km/hHow long do turtles and people live?100 years.How long can whales live?More than 200 years.If someone is very busy, you can say“He is _. ” As busy as a bee.Which animal is the best diver?Penguin .Which animals rest for a short time ?bees , antsWhere can we buy all kinds of things?Markets.Where can we buy second-hand things ?Flea markets.What colours are the traffic lights?Red, yellow, and green.When the traffic light is red, you should _.Stop.When the traffic light is green, you should _.Go.When the traffic light is yellow, you should _.Wait.What s the largest city in China?Chongqin.What s the highest palace in the world?Potala Palace.What s the largest country in the world?Russia.What s the largest model park in the world?Splendid China.What s the longest wall in the world?The Great Wall.What s the oldest wall in the world?The Great Wall.What s the youngest city in China?Shenzhen.