You can make solar ovens from boxes or heavy paper. They will not catch fire. Paper burns at 232 degrees Celsius. A solar cooker never
gets that hot. Solar ovens cook food at low temperatures over long periods of time. This permits people to leave food to cook while they do other things.
To learn more about solar cooking, you can write to Solar Cookers International. The postal address is nineteennineteen TwentyFirst Street, Sacramento, California, ninefiveeightoneone, USA. Or you can visit the group's Internet Web site. The address is www.solarcooking.org.
1.How long is the first solar cookers invented?
A.About 1767 year.
B.More than 300 years.
C.More than 250 years.
D.Less than 250 years.
2.In which of the following column could we find the passage?
A.Development Report.
B.Agricultural Report.
C.Health Report.
D.Education Report.
3.Which of the following is TRUE?
A.The first suncooker was made by a Swiss soldier.
B.Parabolic cookers can be dangerous sometimes.
C.Suncookers often get hotter than 232℃.
D.It is more expensive to cook with a suncooker than on fire.
4.Which of the following could be the best title of the passage?
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