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In the 13th century, the 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 the 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 CaiLun invented paper almost 2000 years 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 into 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 on the earth . If there are no trees , there will be no paper . Every day , people throw away about 2800 tons (吨) of paper in our city . It takes 17 trees to make one ton of paper . This means that we are cutting nearly 48000 trees every day . Since it takes more than 10 years for a tree to grow , 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 paper bags . If the shop assistant does give us a paper bag, we can save it and reuse it later . Everyone can help to save paper . If we all think carefully , we can help protect trees . But we should do it now , before it is too late . 小题1:When he was in China , Marco polo ___________ . A.discovered CaiLun invented paper B.learned to make paper C.saw many wonderful things D.told people about it 小题2:About _______ tons of paper are thrown away every day in our city. A.1700 B.2000 C.2800 D.48000 小题3:Which of the following is NOT the way of saving paper ? 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 grow more trees 小题4:Which of the following is NOT TRUE ? A.If we keep on wasting paper , we will have no paper to use B.The Chinese used paper money much earlier than the people in western countries C.About 48000 trees can be used to make 2800 tons of paper D.It is never too late to plant trees for paper . 小题5:Which is the best title (标题)of the passage ? A.Saving Paper B.The history of Paper C.Cotton Handkerchiefs Back Again D.CaiLun , the Great Inventor
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【简答题】动圈式振动传感器,其输出感应电动势e与线圈相对于磁场的()呈正比。如在测量电路中接入()电路和()电路,还可用于测量振动的位移加速度。
【单选题】The voice from the union accused Ofcom that______.
A.
it has gone beyond its responsibility in some terms and conditions
B.
it has interfered with its members' relations with Communication union
C.
it has used efficiency to drive down service standards in the UK
D.
it has overstepped the remit to control most productive workers
【单选题】I’d like to arrive 20 minutes early ________I can have time for a cup of tea.
A.
as soon as
B.
as a result of
C.
in case
D.
so that
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【单选题】关于桡骨粗隆的描述,下列正确的是: ()
A.
旋前圆肌的止点
B.
拇长屈肌的起点
C.
肱二头肌的止点
D.
肱肌的止点
E.
指长屈肌的起点
【单选题】听力原文:Let me know as soon as you arrive here. I would like to see to it that you are properly received and taken care of. What does the speaker imply?
A.
I would like to see you properly.
B.
I would like to take proper care of you.
C.
I don't expect when you will arrive.
D.
I'll make sure you are properly looked after.
【单选题】I'd like to arrive 20 minutes early ______ I can have time for a cup of tea.
A.
as soon as
B.
as a result
C.
in case
D.
so that
【简答题】液压系统的检查通常采用 和 。
【单选题】. I remember putting the tape recorder in the corner, but what _______ it?
A.
has happened on
B.
has become of
C.
has happened
D.
has taken
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