【单选题】使供应商处于采购谈判的弱势地位的情况是 ( )
【单选题】The answer seems to lie with a simple statistic. (line 37)
【简答题】Almost ,all affixes are ________morphemes because few can be used as independent words.
【判断题】可用加EDTA、加热等的方法终止限制酶的作用。
【单选题】Almost all affixes are ______ because few can be used as independent words.
【简答题】Well the answer seems to be, the universe can create _______ (complex), but with great difficulty.