单项选择题A.In the Pacific Ocean.B.Close to Europe.C.Nobody knows.D.In the Atlantic Ocean.
单项选择题A.Cooler weather.B.Raining.C.Warm and sunny.D.Stormy.
填空题business
单项选择题A.At a railway station.B.At a bus center.C.In the countryside.D.In a coastal town.
填空题This passage gives an introduction of ______.
单项选择题A.$ 5B.$ 15C.$ 30D.$ 250
单项选择题A.To warn of dangers.B.To explain traffic regulations.C.To wake up drivers who are falling asleep.D.To give directions.
单项选择题A.Money.B.Ships and planes.C.Florida.D.Trains and cars.
填空题extremely
填空题The icebergs are rarely seen because ______.