题干

公式G=mg中,g=____,读作____,它的物理意义是____.
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答案(点此获取答案解析)

9.8N/kg,9.8牛顿每千克,质量是1kg的物体受到的重力是9.8N

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阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入一个适当的词,或填入括号中所给单词的正确形式(每空不多于3个单词)。

    We are living in a time when the world is becoming a “village”. People travel around the world ____ sightseeing, studying, working or volunteering. Perhaps in the near future, you will also become one of those people.

    Spending time in a foreign country is an____ (excite) and life-changing experience. You see different sceneries, taste nice food and meet people with all kinds of backgrounds. And ____ (important) thing of all, you explore and even become a part of the local culture.

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    ____, culture shock may hit you. Things you take for granted(认为理所当然) at home may no longer be that way in a foreign country. Not everyone thinks like you or does things the way you've always____ (do). Their tea tastes different. They don't talk____ (loud) in restaurants. Some might not care much about your life, ____ you may even feel they are a bit cold. It is not better or worse. It is just different. ____ you can do is to take in the differences, while trying to be respectful and humble(谦虚的). Each time you open up____ (you) mind a little more, you become a better person.