2. 职称英语
  3. If you wipe a finger across a household surface that hasn’t been cleaned in

If you wipe a finger across a household surface that hasn’t been cleaned in

游客2023-07-02  19
问题     If you wipe a finger across a household surface that hasn’t been cleaned in the last few days, chances are you’ll【B1】______ with dust. Look around and you’ll find the stuff everywhere, from the particles【B2】______ in the sunlight to the fine【B3】______ of dirt coating TV screens, bookshelves, and car dashboards. Dust comes from everything and, like death and taxes, you can’t avoid it. When things—shoes, rocks, plants, socks, anything at all—begin to【B4】______, they release tiny pieces of themselves into the air. These【B5】______ bits settle everywhere, and because matter is always coming apart, dust production is a never-ending business.
    In a typical household, dust【B6】_____ mainly of things such as dead insect parts, sheets of skin, food particles, and pieces of fabric. But not all dust is the product of natural【B7】______; we create amazing quantities of dust everyday. For example, a single puff(吸)of a cigarette contains an estimated four billion large dust particles. Industry of all sorts, from the【B8】______ of a piece of wood to large-scale steel manufacturing, creates particular kinds of dust. In short, dust is all around, ever, in the air we breathe. Because its particles are so small, dust is highly【B9】______. Westward winds regularly blow dust from the Sahara desert across the Atlantic and into the【B10】______ above American coastal towns, where it contributes to some thrilling sunsets. [br] 【B9】
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答案 mobile
解析 空格位于系动词is后，故需填入表语成分，且由空格前的副词highly修饰。mobile“流动的”。
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