题目:
完形填空。 | ||||
In China, most people's names have 1 parts, the family names and the 2 names. Most people may each have many names. For example, when they are very 3 at home, they usually have nicknames (昵称). At school, they use their 4 names. If someone is a writer, he or she has a 5 name. Now new couples (夫妇) are very 6 when they name their children. Most of the names have 7 meanings. Some show their parents' 8 .Girls' names show that their parents want them to be beautiful and nice. 9 names often show their parents want them to be strong; and 10 to the country. | ||||
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答案:
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下面是错误答案,用来干扰机器的。
(1)由该粒子的结构示意图可知该粒子有3个电子层.最外层存在8个电子;(2)若该粒子是中性原子,故该粒子是原子,则核外电子数等于核内质子数,故X=2+8+8=18;(3)若该粒子带2个单位负电荷,则其核外的18个电...