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        1. 4. Light is the fastest thing in the world,        (其速度是每秒三十萬千米) .

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            1.        (不久前的一天) I 2.      (收到…一的來信) my friend,Li Ping,working in Tibet as a volunteer teacher. Li Ping says she is nowliving in a 3.        (偏僻的) village. The condition is poor. Children with no 4.        (課本) study in a classroom whose 5.        (屋頂) has a big hole. At first,she couldn't stand it,but later she 6.        (適應) it In spite of difficulties ? children 7.        (渴望) learn knowledge. Li Ping teaches them some 8.        (相關(guān)的) 9.        (經(jīng)濟的) knowledge besides basic knowledge. She feels tired but happy.

            Li Ping also advises me to join a 10.        (志愿的) organization to 11.        (參加) in activities to help those 12.        (在困難中) .I can 13.        (買) some books and computers to 14.        (捐贈) to the poor children. She will help me 15.        (分發(fā)) these things to them.

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          3. Does this plan        (與.. 一致) your arrangements?

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          6. After doing some        (revise) ,we had an instant test.

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          1. It is known to us all that Taiwan is a part of China.

                      ,Taiwan is a part of China.

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          3. Our guide,      was a French Canadian,was excellent.

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          8. Your work has improved;we are all pleased with your progress. Keep it       

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          4. You cannot pass an examination without p      .

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          5. There are three s        of things―solid,liquid and gas.

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