5. The ice was not thick enough ( bear) the weight of marching men.
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Cooking food over a smoky fire is found everywhere in the world. It is often difficult to. find wood for the fire. People who do not have wood must spend large amounts of money on cooking fuel. However,there is a much easier way to cook food using energy from the sun. Solar cookers,or ovens,have been used for centuries. A Swiss scientist made the first solar oven in 1767. Today,people are using solar cookers in many countries around the world. People use solar ovens to cook,food and to heat drink?ing water to kill bacteria and other harmful organisms.
There are three kinds of solar ovens. The first is a box cooker. It is designed with a special wall that shines or reflects sunlight into the box. Heat gets trapped under a piece of glass or plastic covering the top of the cooker. A box oven is effective for slow cooking of large amounts of food.
The second kind of solar oven is a panel (嵌板式) cooker. It includes several flat walls,or panels,which directly reflect the sun's light onto the food. The food is inside a separate container of plastic or glass that traps heat energy. People can build panel cookers quickly and with very few supplies. They do not cost much. In Kenya,for example,panel cookers are being manufactured for just two dollars.
The third kind of solar oven is a parabolic (拋物線的) cooker. It has rounded walls that aim sunlight directly into the bottom of the oven. Food cooks quickly in parabolic ovens. However,these cookers are hard to make. They must be reaimed often to follow the sun. Parabolic cookers can also cause burns and eye injuries if they are not used correctly.
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 Internation?al. The postal address is 1919 21st Street,Sacramento,California 95811-6827,USA. Or you can visit the group's Internet website. The address is www. solarcooking,org.
1. When was the first solar cooker invented?
A. About 1767 years ago. B. More than 300 years ago.
C. More than 250 years ago. D. Less than 250 years ago.
2. In which of the following columns 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 solar oven was made by a Swiss soldier.
B. Parabolic cookers can be dangerous sometimes.
C. Solar ovens often get hotter than 232° C.
D. It is more expensive to cook with a solar oven than on fire.
4. Which of the following could be the best title of the passage?
A. Different ways of cooking B. The history of the solar cookers
C. How to choose solar cookers D. Cooking meals with the sun for fuel
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書面表達
隨著科技的發展，手機擁有了越來越多的功能，因此人們在生活中越來越依賴手機。但手機在為人們帶來便捷的同時也引發了很多問題。請寫一篇關于使用手機的文章，闡釋手機給人們生活帶來的利與弊(各兩點) ，提出你自己對使用手機的看法，并給出合理的建議。詞數100 左右。
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2. Not having finished the programme on time,the manager and his team seemed (embarrass) at the important meeting.
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3. 正是因為那名船長和他的員工毫無責任心，那艘韓國船只沉沒了。
because the captain and his staff were not responsible at all the Korean ship sank. (It is/was…that…)
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10. Something must be done to prevent some impulsive (沖動的) people (dive) into the deep river to kill themselves.
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