根據(jù)課文內(nèi)容,完成下列短文。
     When   1   ( compare) with most natural changes, that the temperature of the earth rose about one degree
Fahrenheit during the 20th century is quite shocking. And it's human activity   2   has caused this   3   (全球
的)warming rather   4   a random but natural   5   (現(xiàn)象): Dr Janice Foster explains that we add huge   6   of
extra carbon dioxide to the atmosphere by burning fossil fuels. From the second   7   (圖表) and the discovery
of Charles Keeling, all scientists believe that the burning of more and more fossil fuels has resulted   8   the
increase in carbon diox ide. Greenhouse gases continue to build up. Some think that the trend would be a   9   (災(zāi)難). On the other hand, George Hamb ley  10   (聲明) that more carbon dioxide would encourage a greater
range of animals and bring us a better life.
1. compared 2. that 3. global 4. than 5. phenome non
6. quantities 7. graph 8. in 9. catastrophe 10.states
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1. John Snow made further investigations and found that _____________（水是罪魁禍首）.

2. For second degree burns, keep cloths cool by putting them back in a basin of cold      water, _______________（把它們擠出水） and placing them on the burned area over and over again for about an hour until the pain is not so bad.

3. Meanwhile you have to prepare the next question, ________（取決于）what the person says.

4. ____________（值得贊揚的是），the four countries do work together in some areas.

5. Wang ping flashed a switch on a computer screen, and a table and some chairs _____________（好像變魔術(shù)一樣從地板下升起來）.

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