AVERAGE RESOURCES(资源)620 m3 waterIf we put flesh water and a water togethe

题文

AVERAGE RESOURCES(资源)620 m3 waterIf we put flesh water and a water together，we can each have 620 m3 water．But remember，a water is too salty for us to drink if the factories don’t process(加工)it first．So，620 m3 is little．Saving water in daily u is important．0．5 hectares of forestsThere are 3．869 billion hectares(公顷)of forests on Earth．But we are losing them mainly becau we cut trees too much．If we calculate(计算)at the size of a football field，we are losing 343，000 football fields every day，or 1，431 per hour，or 24 per minute !1．5 centimeterslong corals(珊瑚)All the corals that we have now spread(绵延)for about 100，000 km in 109countries．But each of us can only have such a little piece，becau as are get-ring polluted and corals are dying．33 starsAccording to the latest report，there are 200 billion stars in the Milky Way．Each of us can have 33 of them．Unfortunately，we cannot e most of the 200 billion stars from Earth．We can only e about 6．000 stars．If we don’t u telescopes(望远镜)or we have bad weather，we can only e about 2，000 stars．90kg riceOn average(平均)，we get 0．54 billion tons of rice each year round the worldand each of us can have 90 kg．Asia produces and eats 90％of all the rice．How long will it take you to eat up this 90 kg rice?小题1:On average，maybe we each have________fresh water in the world．A．620m3B．more than 620m3C．far less than 620m3D．no more than 620m3小题2:When we u telescopes or the weather is fine，we can e________stars from Earth．A．all the starsB．about 200 billionC．about 2．000D．about 6．000小题3:According to the table above，we each can only have________becau of pollution．A．less waterB．fewer forestsC．fewer coralsD．less rice小题4:We are losing___________football fields every day becau people cut down too many trees.A．343，000B．3．869C．1，431D．24小题5:Which of the following is true according to the passage?A．We get 0.54 billion tons of rice each year round the world and each of us can have 9 kg．B．We cannot e most of the 20 billion stars from Earth．C．Sea water is too salty for us to drink if the factories don’t process it first．D．each of us can only have some pieces of corals，becau as are get-ring polluted．

题型：未知 难度：其他题型

答案

小题1:C小题2:D小题3:C小题4:A小题5:C

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解析

小题1:细节理解题，根据文中语句“If we put flesh water and a water together，we can each have 620 m3 water．”理解可知。只有淡水我们每人的平均量是远远达不到620.小题2:细节理解题，根据文中语句“Unfortunately，we cannot e most of the 200 billion stars from Earth．We can only e about 6．000 stars．”理解可知。我们只能看到其中的一部分星星。小题3:细节理解题，根据文中语句“All the corals that we have now spread(绵延)for about 100，000 km in 109 countries．But each of us can only have such a little piece，becau as are get-ring polluted and corals are dying．”理解可知。我们只能有少量的珊瑚小题4:细节理解题，根据文中语句“If we calculate(计算)at the size of a football field，we are losing 343，000 football fields every day，”理解可知。我们每天要减少343，000 football fields小题5:细节理解题，根据文中语句“But remember，a water is too salty for us to drink if the factories don’t process(加工)it first．So，620 m3 is little．”理解可知。

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