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Task 116. Paragraph ① 17. Paragraph ② 18. Paragraph ③ 19. Paragraph ④ 20. Paragraph ⑤ A. What does the Calorimeter Look Like Inside?B. What Program Was Designed for the Experiment?C. What Is a Calorimeter?D. Try to Find out Why People Gain and Lose WeightE. How do the Volunteers Kill the Time?F. Why did Nicola Join in the Experiments?
Task 116. Paragraph① 17. Paragraph ② 18. Paragraph③ 19. Paragraph④ 20. Paragraph⑤ A. What does the Calorimeter Look Like Inside?B. What Program Was Designed for the Experiment?C. What Is a Calorimeter?D. Try to Find out Why People Gain and Lose WeightE. How do the Volunteers Kill the Time?F. Why did Nicola Join in the Experiments?
下面的短文有10處空白，短文后列出12個詞，其中10個取自短文，請根據(jù)短文內(nèi)容將其分別放回原有位置，以恢復(fù)文章原貌。A Thirsty WorldThe world is not only hungry;it is also thirsty for water. This may seem strange to you since nearly 75%of the earth's surface is 31 with water. But about 97%of this huge amount is sea-water, or salty water. Man can only drink and use the other 3%—the ____32___water that comes from rivers, lakes, underground, and other sources. And we cannot even use all of that, because some of itis in the form of icebergs and glaciers. Even ____33___, some of it has been polluted. At the moment, this small amount of fresh water is still enough for us. However, our demand for water is increasing 34 Only if we take steps to deal with this problem now can we avoid a severeworldwide water ____35___later on. In addition to stopping wasting our precious water, one useful step we should take is to 36ways of reusing it. Today, in most large cities, water is used only 37 and it eventually returns to the sea or runs into underground storage tanks, But it is ____38___to pipe water that has been used to a purifying(凈化) plant, There it can be filtered and treated with chemicals so that it can be used again just as if it were fresh from a spring. But even if every large city purified and 39 its water, we still would not have enough. Where could we turn next?To the oceans!We can make use of the vast amount of sea-water by re-moving the salt. This salt-removing 40 is already in use in many parts of the world.
A. used
B. fresh
C. develop
D. process
E. possible
F. shortage
G. worse
H. reused
I. rapidly
J. covered
K. new
L. once
People with ulcers usually feel a burning pain in their chest or stomach when they are eating.
A、True
B、False
C、Not Given
下面的短文有10處空白，每處空白后的括號內(nèi)有一個詞，請根據(jù)短文內(nèi)容將其正確的形式填入文中，以恢復(fù)文章原貌。Problems Caused by Using ComputersLong hours at the screen can cause 41 (ache) eyes, 42 (blur) vision and headaches, experts say. In fact, eyestrain surpasses even wrist pain as the top physical ___43__(complain) among heavy computer users. When peering into the computer screen, the eye's focusing muscle is at constant tension. Like any muscle, it feels sore when ____44___(overload) . And when someone spends a lot of time looking at something close, the eye muscle can get ____45___(stick) on the near-focus setting and have difficulty relaxing, leaving the person46(temporary) nearsighted, a condition called accommodative spasm(痙攣) that can last seconds or hours. The letters on the screen are not as clearly ____47___(define) as on a printed page. Take a magnifying glass to your monitor and you'll see the letters. each made up of pinpoint sources of light, have no sharp edges. But those liquid crystal display(LCD) monitors, like those found on laptop computers, are48 (easy) on the eyes be-cause they display sharper images. And studies have shown that when people are working on a computer, their rate of ____49___(blink) goes down by two-thirds, which can result in dry, stinging eyes. This is especially a problem for contact-lenses 50 (wear) .
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