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【单选题】
当温升高时,晶体三极管放大电路和电压放大倍数( )A.
增大
B.
减小
C.
不变
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【简答题】抄写,翻译,或自己造句,拍照,上传。 记得写上班级号数名字!! 作业:造句子/翻译句子 1Where shall we meet? 2With whom will you go to the park? 3Where will you meet your parents? 4Can you tell me how to get there by car? 5Can you tell us what...
【简答题】完形填空。 I have a problem with my parents: I want to wear some nail polish (指甲油) but they won't __ 1 __ me to do so. They tell me that only after I have reached twenty-one can I __ 2 __ anything for myse...
【简答题】改错,翻译,抄写,拍照,上传提交。 记得写上号数,姓名,班级!!!加油!! 作业:造句子 1where shall we meet? 2With whom will you go to the park? 3Where will you meet your parents? 4Can you tell me how to get there by car? 5Can you what shall ...
【简答题】从塔板水力学性能的角度来看，引起塔板效率不高的原因可以是__________，__________和__________等现象。
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