单选题
发布日期:2021-10-09
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色漆pigmented coating为赋予涂膜以颜色,并阻挡光线透过,或为增强涂膜的机械性能、化学性能而在漆料中添加各种颜料及填料制成的涂料,涂于底材时,形成的涂膜能遮盖底材并具有保护、装饰或特殊技术性能,这种涂料称为色漆。
极相是一种颠峰群落。
的正是汉语词语,拼音de zhèng,意思是正确公正。
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Test 1 Nowadays tourism is more and more indispensable to people’s life. But which way is a better choice: is joining package tours better than travelling on your own? The following are the supporters’ and opponents’ opinions. Read carefully the opinions from both sides and write your response in about 200 words, in which you should first summarize briefly the opinions from both sides and give your view on the issue. Marks will be awarded for content relevance, content sufficiency, organization and language quality. Failure to follow the above instructions may result in a loss of marks.
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