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【判断题】
当电路引入深度负反馈时，放大倍数Af可以认为与原放大倍数A无关，它取决于反馈回路的反馈系数F的大小。()A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】阅读理解 A man was sitting in his doctor's office. He was teUing tlle doctor about his problem． 'I like football,you know,doctor,'he said.'And my wife has never been good to me since(自从)I became intereste...
【单选题】腹泻患儿“有皮肤完整性受损的危险”,其下列护理措施哪项不妥()
A.
会阴褶皱处不能经常清洗
B.
便后用温水清洗臀部并拭干
C.
选用柔软清洁的尿布
D.
更换尿布时动作要轻柔
E.
避免使用塑料布包裹
【单选题】______ by the doctor’s words, he made up his mind to fight against his cancer.
A.
Forced
B.
Amazed
C.
Inspired
D.
Ordered
【简答题】A．The doctor's examination. B．His trouble with the cold. C．The tight neck of his sweater. D．His mother's anxiety.
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