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以下属于智能化的红绿灯电子控制系统组成中的控制(处理)部分的是(   )

A:环形感应器

B:马路

C:红绿灯

D:电子电路

上一题 下一题 0.0难度 选择题 更新时间:2020-01-11 04:05:19

答案(点此获取答案解析)

D

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What can the boy see in the box?

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语法填空

    I was on my way home with a friend yesterday ____ I found a mobile phone by the roadside. After picking it up, I suggested that we go to the house in front of which we found the mobile phone. And we did so. I ____ (knock) at the door and two young men answered. Neither of them had lost ____(they) phones, but as I referred to some names on the contact list(通讯录), one of them said he also had those ____(name) and that it must be the phone of one____their friends. Then, he took the phone and said how wonderful it was that I took the time____(find) the owner. Afterwards, I left without ____(leave) my name or address. I never considered keeping the phone. Instead, I immediately tried to find ____ owner. And I believed that was ____(exact) what I would want someone to do if I lost my phone. It couldn't have been ____ (good).

    Sometimes, helping others is just doing the right thing.

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下列实验方法正确的是(   )
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