2. 外语
  3. About six thousand languages are spoken in the world today. But experts【S1】______that more than half of them are in danger of di

About six thousand languages are spoken in the world today. But experts【S1】______that more than half of them are in danger of di

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问题     About six thousand languages are spoken in the world today. But experts【S1】______that more than half of them are in danger of disappearing. The【S2】______languages are spoken by some older members of native groups, but not used for everyday life by younger members. As the【S3】______people die, the language dies with them.
    Until recently, most people were not worried about the loss of languages. There was much mote【S4】______about the loss of different kinds of plants and animals. Now, scientists, cultural experts and many other people are concerned about【S5】______the different languages in the world. They know that when a language is lost, the culture and much of the knowledge of the【S6】______community may be lost with it.
    Languages are the means by which people seek to explain the world they live in. Information about the【S7】______world, such as plants that can be used to heal, often is lost when the language dies. Some experts say the【S8】______of any language is a loss for everyone, not just for the native people who once spoke it.
    Experts are trying many methods to increase speakers of endangered languages. Some【S9】______are small. For example, a language speaker and a learner meet every day for an hour to talk. Other projects are large, such as schools where students are【S10】______only in their native language.

    A)concern                                            I)taught
    B)young                                              J)protecting
    C)endangered                                         K)estimate
    D)confirm                                            L)holding
    E)old                                                M)projects
    F)regulation                                         N)native
    G)natural                                            O)foreign
    H)death
【S1】
选项
答案K
解析 根据全文可知主要时态是一般现在时，根据语法此处需要填的就是该时态的谓语动词，符合语法要求的只有A)，K)，故选estimate，意为“推测”。
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