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【单选题】
使用示波器自动模式功能测试信号时,以下需要手动操作的是( )A.
电压比例
B.
C.
触发方式
D.
显示屏亮度
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
【单选题】A lot of trees and flowers are on ______ of the river and the number of them is growing ______.
A.
both side, greater
B.
each sides, more
C.
both sides, larger
D.
each side, more
【单选题】After their day' s shopping, they ______.
A.
were happy with their bargains
B.
had got everything they wanted
C.
got more than they had hoped for
D.
had to go back to the sales the next day
【单选题】根据课程内容,老师说:“我很理解你!”,是为了表示( )
A.
支持女生找对方当面对质
B.
认为女生有理由如此生气
C.
嘱咐女生吵架时注意安全
D.
规劝女生退一步海阔天空
【单选题】It's time ______ about the noise pollution late at night.
A.
something will be done
B.
everything is done
C.
something was done
D.
everything will be done
【简答题】企业发生的各种经济业务事项可以在企业自设的会计账簿上登记与核算。 （ ）
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