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【简答题】
求均匀带电球壳(面)内外的电场。设球壳总带电量为 q ,半径为 R 。
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参考答案:
举一反三
【判断题】Suffixes usually change the meaning of a word while prefixes usually change the part of speech of a word.
A.
正确
B.
错误
【判断题】Derivatives are formed by using prefixes and suffixes. Prefixes usually change the class but suffixes usually change the meaning.
A.
正确
B.
错误
【单选题】垂直干线子系统的设计范围包括( )
A.
管理间与设备间之间的电缆
B.
信息插座与管理间配线架之间的连接电缆
C.
设备间与网络引入口之间的连接电缆
D.
主设备间与计算机主机房之间的连接电缆
【单选题】有以下程序 main() { int y=10; do {y--;}while(--y); printf('%d/n',y--); } 程序运行后的输出结果是( )
A.
-1
B.
1
C.
8
D.
0
【判断题】Suffixes usually change the part of speech of a word while prefixes usually change the meaning of a word.
A.
正确
B.
错误
【判断题】The meaning of a compound is usually the combination of the stem.
A.
正确
B.
错误
【简答题】Usually the meaning we derive from conversation has two levels. One level of meaning is the actually stated messages which can be regarded _______ content. It is the part we consciously process. Anoth...
【判断题】Suffix usually changes the meaning of a word.
A.
正确
B.
错误
【判断题】Connotative meaning is usually the primary meaning of a word.
A.
正确
B.
错误
【判断题】The meaning of a compound is usually the combination of the stems.
A.
正确
B.
错误
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