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【单选题】
3-1、微机硬件系统中最核心的部件是________。A.
内存储器
B.
输入输出设备
C.
CPU
D.
硬盘
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【简答题】用所给动词的适当形式填空，完成短文。 Dear Mum, I had a school trip last May Day. We 1 (spend) the first four days in Paris. We 2 (have) a sightseeing of the city and we also 3 (visit) some of the famous places such as...
【简答题】简述我国自然资源特点。
【简答题】完形填空。 It was already late when we set out for the next town, 1 according to the map was about fif miles away on the other side of the 2 . There we felt 3 that we would find a bed 4 the night. Dark...
【简答题】Now, most people have watches. As we know, Switzerland（瑞士） is famous for its watches. (1) , the watch was not ( 2) in this country. It was the British who did. Many years ago, an Englishman traveled t...
【单选题】下列对肾小球滤过率描述正确的是( )
A.
每分钟一个肾单位生成的原尿
B.
每分钟一个肾脏生成的原尿量
C.
每分钟两肾生成的原尿量
D.
每分钟两肾生成的终尿量
E.
每分钟一个肾脏生成的终尿量
【简答题】简述文案调查在探索性调查中的作用。
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