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【判断题】
粘胶纤维,是从天然木纤维素中提取并重塑纤维分子而得到的纤维素纤维,是天然纤维的一个主要品种。A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】能换（ ）张 。 能换（ ） 和（ ）张 。
【简答题】有氧适能和肌适能的含义如何?怎样评定有氧适能和肌适能?
【单选题】He wrote the new word many times, but he ________ couldn't spell it. [ ]
A.
yet
B.
still
C.
never
D.
always
【单选题】What do we know about Lawrence after he became a teacher?
A.
He wrote many novels and stories.
B.
He worked with miners in his spare time.
C.
He escaped from the mines where his family lived.
D.
He learned how to write stories from a famous writer.
【单选题】对某一级晶体管放大电路,要其对前一级的影响小(吸取的电流小),对后级带负载能力强,宜采用
A.
共基极放大电路
B.
共发射极放大电路
C.
共集电极放大电路
D.
以上电路都可以
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