初中英语阅读理解TheLewisandClarkExpedition10673.pdf

The Lewis and Clark Expedition The Lewis and Clark Expedition(18041806)was the first overland expedition to the U.S.Pacific coast and back,led by Meriwether Lewis and William Clark.The expedition was ordered by President Thomas Jefferson to explore and map the western United States,and to find an overland route to the Pacific Ocean.About 40 men began the expedition in St.Louis in May of 1804.They traveled up the Missouri River into present-day North Dakota,where they built Fort Mandan and spent the winter with the Mandan Sioux tribe.They left the next spring,hiring the American Indian Sacagawea to serve as guide and interpreter.They traveled through Montana and by horse over the Continental Divide to the headwaters of the Clearwater River.There they built canoes to carry them to the Snake River and then to the mouth of the Columbia River.They arrived at the Pacific Ocean in November of 1805,and built Fort Clatsop there to spend the winter.On the journey back the group divided,then reunited to canoe down the Missouri River to St.Louis,finally arriving in September of 1806.The journals kept by Lewis and others documented many American Indian tribes,native plants and wildlife.1.Who ordered the expedition?_ 2.Where did the expedition begin?_ 3.When did the expedition begin?_ 4.What two jobs did Sacagawea do?_ 5.When did the expedition reach the Pacific Ocean?_ 6.When did the expedition arrive back in St.Louis?_ 7.What did the journals by Lewis and others document?_