Unit 1 Section Ⅰ Welcome to the unit and Reading—Preview（Word教参）-【优化指导】2022-2023学年新教材高中英语选择性必修第三册（译林版2020）

Travel，in the younger sort，is a part of education; in the elder，a part of experience. 旅行对青年人来说是一种教育； 对老年人来说是经验的一部分。 主题语境——人与自然。加拿大领土广阔，自然资源丰富，是世界上最富有、最适宜人类居住的国家之一，也是一个主要的移民国家。 Canada is the second largest country in the world after Russia.It is larger than the USA and reaches nearly a quarter of① the way round the earth.The distance from east to west is over 5，500 kilometres and the country covers six of the world's 24 time zones.However，its population②，about 38 million，is only about one­fifth of Russia's.Nearly 90% of Canadians live within 200km of the border with the United States，which means that Canada contains vast expanses (宽阔的区域) of wilderness to the north.Canada's native peoples make up less than③two percent of the population. The weather is different from④area to area.In the north，the winters are long and hard，with snow for six months of the year.The temperature can fall to 60℃ below zero⑤.In the capital，Ottawa，the average winter temperature is 10℃ below zero，and in summer 21℃.The west coast of Canada is the warmest place in winter.The average January temperature is 3℃，and in July it is 18℃.Here it rains a lot every month of the year.Plants grow well all the year round and the parks and gardens are famous for⑥ their flowers. Canada has one third of the world's supply of fresh water.There are five great lakes in the south，and there are many others，especially in the north.Most of the electricity⑦ is produced by water.The country has a great deal of⑧ coal，oil and natural gas，and these are all exploited⑨ for energy. Much of the country is covered by⑩ forests，and wood is cut and sold all over the world.Canada is also the world's biggest producer of the kind of paper that is used for newspapers.Fishing is also very important for Canadians.Fish from the east and west coasts is sold to many other countries. ①a quarter of四分之一 ②population人口 ③less than少于，不到 [联想]more than多于 ④be different from与……不同 ⑤below zero零度以下 ⑥be famous for因……而著名 [联想]be famous as作为……而出名 ⑦elect