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    I lost my way in complete darkness and, 　　　　matters worse, it began to rain.

    A. made B. having made

    C. making D. to make

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    Did you know that sixty per cent of your body weight is water? However,

    a loss of only two per cent of this water throughdehydration(脱水) during exercise can significantly affect your performance. The more you sweat, the more your exerciseperformance declines, unless you drink enough to replace your lossof fluids.

    When you lose too much water, you can overheat quite easily,especially in a warm environment.But this is not the only problemyou may face. Dehydration leads to your heart pumping muchfaster, which means exercise becomes more difficult and requiresmore effort. Despite these problems, however, many of us simplydo not take enough fluids in when we head for the gym or set outon a run.

    So why is this? How do we manage to lose so much waterwithout simply drinking more toreplace it? Well, it?s easier thanyou think. When we are at rest, we quickly become aware that weare thirsty and will put that right by having a drink. When weexercise, on the other hand, our thirstmechanism(结构) does notwork as effectively, so we don?t notice early enough that we areactually thirsty. In fact, we only start to feel thirsty when we havealready lost around two per cent of our body weight.

    Another problem is that, the more dehydrated we becomeduring exercise, the more difficult it is to prevent furtherdehydration—because our stomachs become intolerant to fluidsand we do not absorb water properly, just when we need it most.

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    科目：高中英语 来源：内蒙古包头市2016-2017学年高一下学期第二次月考英语试卷 题型：短文改错

    下面短文中共有10处错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

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    Dear friends,

    It is real a good chance to have met all of you here. We have spent severalprecious weekend in learning in the English Club. As we have been members for a short period of time, we have made a great progress. That is because we were all very active and the activities are not only enjoyable and also helpful. Besides, the foreign teachers here work hard and try his best to make the activities lively and interested. I am very pleased to say that all of us greatly improved our spoken English so far. I am looking forward to see all of you again in the near future!

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    科目：高中英语 来源：福建省永安市2016-2017学年高二下学期期中考试英语试卷 题型：阅读理解

    Smith entered Mr. Watson's office. The boss was a hard man. He fired people who didn't do well without giving them a second chance.

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    Notice

    ____________________________________________________________________________________________

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    ______________________________________________________________________

    Student Union

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    Pacific Science Center Guide

    ◆Visit Pacific Science Center’s Store

    Don’t forget to stop by Pacific Science Center’s Store while you are here to pick up a wonderful science activity or remember your visit. The store is located(位于) upstairs in Building 3 right next to the Laster Dome.

    ◆Hungry

    Our exhibits will feed your mind but what about your body? Our café offers a complete menu of lunch and snack options, in addition to seasonal specials. The café is located upstairs in Building 1 and is open daily until one hour before Pacific Science Center closes.

    ◆Rental Information

    Lockers are available to store any belongings during your visit. The lockers are located in Building 1 near the Information Desk and in Building 3. Pushchairs and wheelchairs are available to rent at the Information Desk and Denny Way entrance. ID required.

    ◆Support Pacific Science Center

    Since 1962 Pacific Science Center has been inspiring a passion(热情) for discovery and lifelong learning in science, math and technology. Today Pacific Science Center serves more than 1.3 million people a year and beings inquiry-based science education to classrooms and community events all over Washington State. It’s an amazing accomplishment and one we cannot achieve without generous support from individuals, corporations, and other social organizations. Wish pacificorganzier.org to find various ways you can support Pacific Science Center.

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    D. Take science to the classroom.

    3.What is the purpose of the last part of the text?

    A. To encourage donations.

    B. To advertise coming events.

    C. To introduce special exhibits.

    D. To tell about the Center’s history.

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