【单选题】原料中的无机成分有游离型和结合型之分,后者在微生物的作用下,可变为()被微生物利用。
【单选题】木制案板具有光滑、表面平整和()等特点。
【判断题】电弧电压主要由弧长决定,它是指从熔化的焊条顶部到熔池表面最短的距离。
【简答题】Sentence definition means using one _______to define a ______.
【单选题】What is the definition of translation given by the professor?
A.
It is using common sense to say something simply.
B.
It is rendering the meaning of a text into another language.
C.
It is a complicated and artificial process to describe facts.
D.
It is an activity the translator pretends to be someone els
【多选题】下列属于轴上零件周向固定方法的有( )。
【判断题】Definition means some words or phrases give the definition of an popular word, usually by using punctuation.