【单选题】按照次序规则,基团 a.-OH 、 b.-CHO 、 c. - CH 2 OH 和 d. -NH 2 的优先次序应该是:
【单选题】The word root “alveolo-” denotes______.
【单选题】下列哪一项不包括在来自政府方面的危机主要中
【简答题】The word parts in the word gastrointestinal are ( root) , intestin/o(root) , a nd (suffix) .
【单选题】按照次序规则,基团 a.-OH 、 b.-COOH 、 c. -CH 3 和 d. -NH 2 的优先次序应该是
【单选题】In the word 'multifunctional', which is the root?
【单选题】按照次序规则,基团 a.-OH 、 b.-COOH 、 c. -CH 3 和 d. -SH 的优先次序应该是
【单选题】A word root plus a combining vowel is called a ___.
【单选题】A combing form is a word root plus a/an_______.
【单选题】When the word 'root' means 'part of plant that keeps it firmly in the soil and absorbs water and food from the soil' , the meaning is______meaning.