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【判断题】
要提高反馈放大器的输入阻抗,降低反馈放大器的输出阻抗,应引入电压-并联负反馈。A.
正确
B.
错误
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【简答题】This is a picture of our classroom (教室). The walls(墙) are white. A blackboard(黑板) is on the wall. Two doors (门) are in the wall. Six brooms (扫帚) and a baseball are behind (在……后面) the door. Fifty desks...
【简答题】阅读理解 This is our classroom. It's a nice big room. The windows are big and the walls (墙) are white. There is a map of China on the back (后面的) wall. There is a big desk. It's for the teacher. There...
【简答题】Here is a photo __ 11 __ a bedroom. __ 12 __my bedroom. Look __ 13 ___the walls. __ 14 __ very white. You can see (看见)__ 15 __ old picture __ 16 __ the wall. And a map of China __ 17 __ on the wall, t...
【简答题】完形填空。 1 is our classroom. It's 2 nice room. The windows 3 clean 4 the walls are white. There's a big blackboard 5 the front wall. On the back wall there is a map. It's a map 6 China. There 7 fifty sma...
【多选题】2016 年 12 月 1 日正式实施的《旅游安全管理办法》规定,旅游突发事件发生在境外的,旅游团队的领队应当立即________部门报告。
A.
旅行社负责人
B.
政府派出机构
C.
中国驻当地使领馆
D.
当地警方
【多选题】列宁说：“一切民族都将走到社会主义，这是不可避免的，但是一切民族的走法却不完全一样，在民主的这种或那种形式上，在无产阶级的这种或那种形态上……每个民族都会有自己的特点。”这说明( )。
A.
社会主义代替资本主义是人类社会的必然规律
B.
在不同国家建立的无产阶级，其本质都是一样的
C.
社会主义民主和无产阶级必然具有民族特色
D.
无产阶级在不同的国家有不同的形式
【简答题】_______(lose) in thought, he almost ran into the car in front of him. 2. ________ (raise) in a rich family, he didn’t care much about money. 3. When _______ (ask) about his career, he seemed to be ve...
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