科目:高中英语 来源:不详 题型:阅读理解
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科目:高中英语 来源:不详 题型:阅读理解
| A.was paid by the letter—posters | B.was paid by the letter—receivers |
| C.was collected by postmen | D.BothBand C |
| A.send postmen to collect the postage |
| B.send postmen to collect letters |
| C.send postmen to deliver jetters |
| D.put seals on the used stamps |
| A.When did people first begin to use stamps? |
| B.Who was the first to think of using stamps? |
| C.Why were postmen sent to collect postage? |
| D.How did stamps come Into use? |
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科目:高中英语 来源:不详 题型:阅读理解
| A.helps us to reduce the use of petrol |
| B.helps to protect our environment in some way |
| C.does harm to our society in some way |
| D.has been replaced by the newly discovered material |
| A.It is easier made from natural oil. |
| B.It is more widely used in household |
| C.It is recyclable and friendly to environment. |
| D.It contains no poisonous materials. |
| A.lignin or arboform | B.soft tissues of wood |
| C.plastics or wood | D.mixture of several materials |
| A.the material’s extensive use | B.the content of sulfur in arboform |
| C.the production cost of arboform | D.the qualities of liquid wood |
| A.introduce liquid wood which will replace plastic |
| B.show readers how to produce arboform |
| C.advertise the new material-arboform |
| D.advertise new products made of arboform |
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