皮皮学，免费搜题
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【多选题】
反馈放大电路由( )电路和( )网络组成A.
基本放大
B.
反馈
C.
正反馈
D.
负反馈
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【简答题】递延年金的特点有哪些( )A.
【单选题】As a middle school student, it's our duty to love our city and make it _____ all the time. [ ]
A.
cleans
B.
cleaning
C.
to clean
D.
clean
【简答题】I wish I could, but I really have to go. ______ 2. Thanks for the invitation, but I'm not feeling very well. Maybe some other time. ______ 3. Nothing more for me, thanks. It was delicious. ______ 4. I...
【简答题】Maybe the disaster can destroy our homes, but______can destroy the love in our people. [ ] A. something B. everything C. anything D. nothing
【判断题】Once we are in charge of love, it can be with us for the rest of our lives.()
A.
正确
B.
错误
【单选题】If we love sweet things, it's probably due to -_____.
A.
our body's needs
B.
our parents' influence
C.
our basic instinct
D.
the taste of the food
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