【单选题】【消耗次数：1】
铜岭遗址的发现将我国采铜历史向前推了（）多年
①
100
②
200
③
300
④
400
参考答案：
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在Dreamweaver中如果将200×300象素大小的图象插入到30×400的表格中，则此时表格的显示大小为：
①
30×300
②
200×400
③
200×300
④
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①
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②
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③
Was it not
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substantial
②
spontaneous
③
simultaneous
④
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