[填空题] (36) of people around the world cook their food over a (37) fire every day. It is often difficult to find wood for the fire. People who do not have wood must spend large (38) of money on cooking fuel. However, there is a much easier way to cook food using (39) from the sun.
Solar cookers, or ovens, have been used for (40) A Swiss (41) 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 drinking water to kill bacteria and other (42) organisms.
There are three kinds of solar ovens The first is a box cooker. It is (43) with a special wall that shines or reflects sunlight into the box. (44) .
The second kind of solar oven is a panel cooker. (45) . People can build panel cookers quickly and with very few supplies. They do not cost much. In Kenya, for example, panel cookers are

[填空题] (36) of people around the world cook their food over a (37) fire every day. It is often difficult to find wood for the fire. People who do not have wood must spend large (38) of money on cooking fuel. However, there is a much easier way to cook food using (39) from the sun.
Solar cookers, or ovens, have been used for (40) A Swiss (41) 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 drinking water to kill bacteria and other (42) organisms.
There are three kinds of solar ovens The first is a box cooker. It is (43) with a special wall that shines or reflects sunlight into the box. (44) .
The second kind of solar oven is a panel cooker. (45) . People can build panel cookers quickly and with very few supplies. They do not cost much. In Kenya, for example, panel cookers are

[单项选择]

Telecommunications allows people around the World to contact one another, to access information instantly, and to communicate from remote areas. Telecommunications usually involves a sender of information and one or more recipients(收件人) linked by a technology, such as a telephone system, that transmits information from one place to another. Telecommunications devices convert different types of information, such as sound and video, into electronic signals. The signals can then be transmitted by means of media such as telephone wires or radio waves. When a signal reaches its destination, the device on the receiving end converts the electronic signal back into an understandable message, such as sound over a telephone, moving images on a television, or words and pictures on a computer screen. Telecommunications enables people to send and receive personal messages across town, between countries, and to and from outer space. It also provides the key medium for news, data, information&r
A. Telecommunications are devices and systems that transmit electronic signals across long distances.
B. Telecommunications allows people around the world to contact one another, to access information instantly, and to communicate from remote areas.
C. Telecommunications usually involves a sender of information and one or more recipients(收件人) linked by a technology.
D. Telecommunications are devices and systems that carry, electronic signals across short distances.

[单项选择]Lots of people around the world celebrate Christmas ______ November 24 every year.
A. on
B. in
C. at

[填空题]
1 People around the world agree that education is not an end, but a means to an end. In other words, we do not educate students only for the aim of educating them. Our purpose is to fit them for life. Life is varied; so is education.
2 Ideas about education are more specified in the United States. Education today is not just a high school diploma or a college degree. Many adults are not interested in going to college. They are interested in other kinds of learning. For them, learning does not end with a diploma.
3 Continuing education gives these adults the opportunity to increase their knowledge about their own field or to learn about a new field. It also gives them a chance to improve their old skills or to learn new ones. Scientists, mechanics, secretaries, barbers and cooks can take classes to improve their work skills. If they know more or learn more, they can get a better job or earn more money.
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