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备战2019年中考英语专题复习——词性转化(真题)

作者UID:9673734
日期: 2024-11-27
二轮复习
语法填空
选词填空(词汇运用)
用所给单词或短语的适当形式填空,使短文通顺、正确、连贯,每个单词或短语限用一次

first,   only,    use,    it,    dream of,    another,    speak,    with,    sea,    easy

English

    World language

    Once people  a language that everybody in the world could understand. Now, for the  time in human history, perhaps there is one -- English It is the official language in more than 50 countries and 250-300 million people  it as a second language. Some say that half the world will be speaking it in the year 2050.

    Difficult to master?

    English is not the  language to learn -- most of its common verbs are irregular and it has a large vocabulary -- at least 200, 000 words are in common use.

    User-friendly

    But some things make  easy. For example, nouns don't have gender ( 性别) and the usages of verbs are simpler than other languages. There is  one form to speak to someone directly -- "you". Adjectives don't agree  nouns, and many nouns are often also verbs.

    English Is Everywhere

    Some other languages may have more speakers, like Chinese. But English  in many different areas. It is the language of transport: most airline pilots and air-traffic controllers use it. At  English is the international language of communication.

    The Future of English

    What is the future of English as a global language? Will  language ever replace it? Many think not -- it is already too popular.

用方框中所给单词的适当形式填空,使短文完整、通顺。每词限用一次。

cover    bad    them    patient    danger   decision   solute   but  able   research

A Cloud of Hope and Danger

    In 2050, a small cloud floats through the air in a hospital operating room(手术室). In the room a patient, suffering from cancer, lies on a table. The cloud surrounds (包围) the patient,her body and filling her lungs (肺). The cloud is not smoke or steam. It is made of millions of microscopic robots called nano-robots(纳米机器人). These tiny robots move from cell(细胞) to cell in thebody, destroying the cancer cells.

    Fighting cancer with nano-robots is only an idea today,scientists say that it would be possible in the future. Using nano-robots for good purposes such as fighting disease or repairing the environment may be theto many of today's problems.

    However, nano-robots could be arisk as well. Since nano-robots are so tiny, they will have to work in large teams of many thousands to 'many millions. For this reason, nano robots will have to be programmed to build. Scientists will not have the ability to build millions of nano-robots one by one.

    Thisto reproduce(复制)is making some scientists worried. What if something goes wrong in the programming? Quite a lot of crazy nan-orobots would be farthan any disease. Some people think that if they get out of control, nan-orobots could destroy the Earth.

    What should be done? Should we continuenan-orobots or should we search for other methods? This is one of the many difficultthat we have to make in the future.

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