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【单选题】
下列哪杀菌力功效最高的灭菌法A.
高压蒸气灭菌法
B.
紫外线照射法
C.
浸泡法
D.
熏蒸法
E.
煮沸法
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反馈参考答案：
举一反三
【单选题】Jack had a fever, he finishing doing his homework yesterday.
A.
Although; but
B.
But; although
C.
Although; /
D.
/;although
【简答题】一线性时不变连续时间系统是稳定系统的充分且必要条件是系统函数的极点位于 S 平面的 。
【简答题】Although he had looked through all the reference material on the subject, he still found it hard to understand this point and her explanation only _____ to his confusion. (A) extended (C) added (B) am...
【单选题】Although he had not studiedvery hard, John had () hope of passing the exam.
A.
little
B.
any
C.
a little
D.
some
【简答题】若系统函数 的极点位于s平面的左半平面,则冲激响应 ____(填增长或衰减);若系统函数 的极点位于s平面的右半平面,则冲激响应 ____(填增长或衰减);
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