6．In the 13th century，the famous Italian traveler，Marco Polo，traveled a long way to China．During his stay in China，he saw many wonderful things．One of the things he discovered was that Chinese used paper money．In western countries，people did not use paper money until the 15th century．However，people in China began to use paper money in the 7th century．
A Chinese man called Cai Lun invented paper almost 2，000years ago．He made it from wood．He took the wood from trees and made it into paper．He then put these pieces of paper together and made them a book．
Now paper still comes from trees．We use a lot of paper every day．If we keep on wasting so much paper，there will not be any trees left on the earth．If there are no trees，there will be no paper．Every day，people throw away about 2，800tons of paper in our city．It takes 17trees to make one ton of paper．We must start using less paper now．If we don't，we will not have enough time to grow more trees to take the place of those we use for paper．So how can we save paper？We can use both sides of every piece of paper，especially when we are making notes．We can choose drinks in bottles instead of those in paper packets．We can also use cotton handkerchiefs（手帕）and not paper ones．When we go shopping，we can use fewer bags．If the shop assistant does give us a paper bag，we can save it and reuse （再用） it later．
59．What did Marco Polo do when he was in China？C
A．He discovered Cai Lun invented paper．
B．He learned to make paper．
C．He saw many wonderful things．
D．He read a lot of books．
60．When did people in western countries first use paper money？B
A．In the 17th century．
B．In the 15th century．
C．In the 13th century．
D．In the 7th century．
61．Which of the following is NOT the way of saving paper？D
A．To use both sides of every piece of paper．
B．To use the paper bags from shops more than once．
C．To use cotton handkerchiefs instead of paper ones．
D．To plant more trees．
分析 短文講了在13世紀，意大利著名旅行家馬可•波羅在中國發現中國人用的紙錢．蔡倫發明造紙近2000年前．現在紙張仍然來自樹木．我們每天使用了大量的紙張．每個人都可以節省紙張．這樣我們可以保護樹木．
解答 答案：59．C 細節理解題．根據第一段第一行句子During his stay in China，he saw many wonderful things．他在中國期間，他看到許多奇妙的事情，可知當他在中國的時候，他看到許多奇妙的事情．故選C．
60．B 細節理解題．根據第一段第二行句子In western countries，people did not use paper money until the 15th century．在西方國家，人們不使用紙幣，直到十五世紀．可知是在十五世紀．故選B．
61．D 細節判斷題，根據最后一段倒數第二行句子 We can use both sides of every piece of paper，especially when we are making notes．We can choose drinks in bottles instead of those in paper packets．We can also use cotton handkerchiefs（手帕）and not paper ones．我們可以每一張紙使用它的兩面，尤其是當我們在做筆記時，我們可以選擇瓶裝飲料而不是用紙包的，也可以用棉手帕，而不是用紙．可知節約用紙的方式很多，植樹造林不是節約用紙的方式，故選D．
點評 在通讀全文的基礎上，根據全文大意，展開邏輯思維，瞻前顧后，認真觀察選項，仔細推敲，確定最佳答案．
