Youmayusebanknoteseveryday.Butdidyouknowthatthereisalot...
問題詳情:
You may use banknotes every day. But did you know that there is a lot of science behind the money? ___16___
Australia was the first country to use polymer(聚合物)banknotes in 1988. ___17___
They can stop water from making them wet. They are also cleaner because bacteria don’t grow easily on them.
Now, the Australians have improved their banknotes again by creating a new 5-dollar note. The new one has a clear window in the middle in which there are pictures of an Australian bird and a building. ___18___
Tilt (傾斜)the note a little and you will see the bird flapping its wings as if trying to fly away. Turn the note from side to side and you will notice the building come to life and spin. While these features are impressive and entertaining, that was not the reason why the Australian Government spent ten years perfecting them. Their primary purpose was to make it impossible to fake a banknote.
___19___ The new $ 5 bill now has a raised bump alongside the two long edges, enabling the blind or those with limited vision, to quickly determine its value.
The Australian government will give the new 10-dollar note the same features in a year’s time. ___20___
A. Note makers still have a long way to go.
B. Other notes will have them in the future.
C. The magic of the new features lies in them.
D. They have many advantages over paper notes.
E. The new Australian 5-dollar note is a good example.
F. The new note is also the first touchable Australian banknote....
G. Their material and pattern set them apart from ordinary banknotes.
【回答】
EDCFB
知識點:七選五題型
題型:未分類
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問題詳情: 下列説法正確的是 A.物質發生化學反應都伴隨着能量變化B.伴有能量變化的物質變化都是化學變化C.在一個確定的化學反應關係中,反應物的總能量總是高於生成物的總能量D.放熱反應的發生無需任何條件【回答】A知識點:化學反應中的能量變化題型:選擇題...
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