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更多“选出正确的汉语意思：cloudy（）”相关的问题
A.连接状语和中心语
B.连接先后承接或递进的两项
C.连接并列的、互相补充的词
D.连接意思相反或意思有转折的两项
A.连接状语和中心语
B.连接先后承接或递进的两项
C.连接并列的、互相补充的词
D.连接意思相反或意思有转折的两项
Solar ovens consist of a system of reflectors and a cooking pot. The rest is up to your imagination! Once you have collected or bought your solar oven, you can use it to prepare hot meals in the backyard, at a campground or wherever your heart desires.
Of all the inventions that could benefit humankind, a reliable solar cooker remains one of the most necessary. Countless people across the developing world still cook their food by burning wood or even cow dung, causing breathing problems and severe pollution in some regions.
The searching for a practical solar cooker has gone on for decades and produced dozens of models. But none of them have caught on importantly for use in the developing world because they can’t store heat. Without the ability to store heat, a cooker cannot be used, for example, on cloudy days.
But now a group based at the Norwegian University of Science and Technology (NTNU) is reporting a discovery in solar cookers. They say it will lead to the production of practical solar cookers within a year and a half and it can store enough heat during a sunny day to work for an entire additional day, even if it is cloudy.
1.People who do not have wood must spend small amounts of money on cooking fuel.()
2.There is a much easier way to cook food using energy from the sun.()
3.Solar cookers, or ovens, have not been used for centuries.()
4.Solar ovens consist of a system of reflectors and a cooking pot.()
5.Without the ability to store heat, a cooker can be used, for example, on cloudy days.()
