单词拼写(共10小题,每小题1分,满分10分)Some metals expand when it is hot and c_____ when it is cold.
If you a____ a little salt to the soup, it will taste more delicious.
Everyone can get on well with him, because he is easy to________(接近).
They are making a _______ (调查) of the population growth of the city.
While I was doing my homework, the ______(电) went off.
Water is a _______ (液体)without color or taste.
Children should be ____(独立的)in doing things and don't always rely on their parents.
I______(集中)your mind on study, and you'll make progress.
What is the ______(平均的)rainfall for summer in your country.
Nowadays many old people don't like living d______ ,for it is very noisy.
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