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问题 单项选择题

变更地籍调查保证了地籍调查成果的（），通过对时态数据的统计分析，可以掌握某一事物在时间上的分布和运动规律。

A.现势性、准确性

B.准确性、时态性

C.现势性、时态性

D.准确性、科学性

答案

参考答案：C

改错题

文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。

增加：在缺词处加一个漏字符号( ∧），并在该词下面写出修改后的词。

删除：把多余的词用斜线( \）划掉。

修改：在错的词下划一横线，并在该词下面写出修改后的词。

注意：1.每处错误及其修改均仅限一词；

2.只允许修改10处，多者(从11处起）不计分。

Great changes have been taken place in my village. Ten years ago, the small and low houses, which lie on the north of a lake, produced much waste. As the result, the lake was serious polluted. To the west was a sandy field, that was the source of dust. Better still, a brickyard on the southwest side of the lake used up a great deal good soil. Now the poor house have been replaced by green trees and the brickyard by tall buildings. The sandy field that the villagers used to ploughing has been covered with fruit trees. On the lake the villagers often spend his spare time boating and fishing.
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填空题

在汽车发动机运转及行驶时，交流发电机向用电设备供电，并向蓄电池（）。
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