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【单选题】
为了使放大器带负载能力强,一般引入 负反馈。A.
电压
B.
电流
C.
串联
D.
并联
手机使用
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复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】化工设计根据项目性质可分为 、 和 。
【多选题】发现感染蠕虫后,应及时采取哪些措施?
A.
断开网络
B.
使用杀毒软件检测、清除，或者重装格式化
C.
如果不能清除 , 将样本上报国家计算机病毒应急处理中心
D.
为计算机操作系统升级打补丁
【单选题】— Shall we go shopping now? — Look at the clouds, I’m afraid there be heavy rain. I guess we stay at home. [ ]
A.
will; are to
B.
is going to; ’d better
C.
will; are going to
D.
is going to; would
【简答题】阅读理解 We go shopping almost every day. We have many choices of' the places to buy things. A supermarket is the right place for you. There are some good points buying things at the supermarket. First: Y...
【单选题】What should we do to reduce waste when we go shopping?
A.
Not to buy things in small quantities.
B.
Not to buy things without making a plan in advance.
C.
Buy things which are much cheaper.
D.
Buy things packed in small containers.
【简答题】A．Computer business. B．Rules of selling. C．The way we go shopping. D．The way we buy music.
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