[填空题]In many restaurants, customers can have a free glass of water _________________(除了付款的食物外).

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[单项选择]The floors of the ocean have many riches that can be used by man. Oil and chemicals and minerals (矿物) already are taken from the sea. By using nuclear energy, ocean water can be turned into fresh water by taking the salt out. In the near future, it is possible for human beings to produce food from farms under the sea. Food grown in the sea could help to meet the needs of population all over the world which is increasing fast. Thousands of people go hungry every day. About ten to fifteen percent of the world’s people do not have enough food. Some scientists believe that someday the sea will be used to make electric power. This would help to meet the need for more power for the world’s industries. The decreasing supply of coal, oil and gas shows that the need to find new kinds of power is urgent.
Human beings have already made use of ______ .
A. nuclear energy in the lab under the sea
B. salt water resource as fresh water
C. minerals, chemicals and oil taken from the sea
D. farms under the sea

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Computers have many uses today. Computers can solve difficult{{U}} (56) {{/U}}and control complex machines. Many people use small computers{{U}} (57) {{/U}}calculators to add, subtract, multiply, and divide{{U}} (58) {{/U}}quickly. Scientists use large computers to solve many problems at the same{{U}} (59) {{/U}}. You can play{{U}} (60) {{/U}}with computers, and some computers can help you{{U}} (61) {{/U}}languages. The Kurzweil Reading Machine is a special{{U}} (62) {{/U}}of computer. It can read books for blind people
The Kurzweil machine consists{{U}} (63) {{/U}}three parts: a scanner, a computer, and a voice synthesizer (合成器). These{{U}} (64) {{/U}}parts are like your eyes, your brain,{{U}} (65) {{/U}}your voice. The scanner is{{U}} (66) {{/U}}"eye" of the machine. It scans or looks at the words on the page of a bo
A. many
B. two
C. four
D. three

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