在导线的连接方式中主要用于电子器件的引线，连接导线与印刷电路板之间连接的方式为（）.
A.压接
B.绞接
C.定型接插件连接
D.焊接
参考答案：D
用所给单词的正确形式填空。
1. Does Linda agree _____(help) you copy her homework?
2. Students don't like _____(fight)in the classroom.
3. The music teacher taught us _____ (sing) many beautiful songs.
4. There are two _____ (office) languages in Canada.
5. Today is sunny. We can see many kites _____(fly) in the sky.
在配对设计的符号秩和检验中，遇到绝对值为非零相同差值，编秩应（）。
A.舍去不计
B.按顺序编秩
C.取其平均秩
D.取其最大秩
E.取其最小秩
