题目内容

Prefixes occur at the beginning of a word, and usually do not change the word class of the original word.

A. 对
B. 错

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A root is not always a free form.

A. 对
B. 错

A morpheme must convey a lexical meaning.

A. 对
B. 错

Illustrate the difference between root and stem.

请将下列时序电路的设计步骤正确排序:()(1)状态分配;(2)状态化简;(3)逻辑抽象,得出电路的状态转换图或状态转换表;(4)画逻辑图;(5)检查电路能否自启动;(6)选定触发器类型,求出电路的状态方程、驱动方程和输出方程;

A. (1);(2);(3);(6);(4)(5)
B. (3);(1);(2);(6);(4);(5)
C. (3);(1);(2);(4);(5);(6)
D. (1);(2);(3);(4);(5);(6)

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