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【多选题】
下列属于流加分批式发酵特点的是（）A.
避免了高浓度产物和底物的抑制作用
B.
易出现二次生长现象
C.
适用于发酵周期较短的发酵过程
D.
不易发生杂菌的污染
E.
易发生杂菌的污染
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举一反三
【单选题】How is slang defined by the author?
A.
Words and phrases accepted by the majority for formal usage.
B.
Words and phrases understood by the majority but not found in standard dictionaries.
C.
Words and phrases that are understood by a restricted group of speakers.
D.
Words and phrases understood by a large number of speakers but not accepted as formal usage.
【简答题】代谢性酸中毒的常见病因有那些?
【简答题】作为套利组合，该组合中各种证券的权数必须满足w1+W2+…+wN=1。（ ）
【简答题】代谢性酸中毒的常见病因中,下列不正确的是
【简答题】作为套利组合，该组合中各种证券的权数必须满足w1＋w2＋…＋wN＝1。（ ）
【单选题】How is slang defined by the author?
A.
Words and phrases accepted by the majority for formal usage.
B.
Words and phrases understood by the majority but not found in standard dictionaries.
C.
Words and phrases that axe understood by a restricted group of speakers.
D.
Words and phrases understood by a large number of speakers but not accepted as formal usage.
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