会议电话分机发信放大盘可将话筒送来的()进行放大。
参考答案:低电平信号
第二部分:短文改错(共10小题;每小题0.5分,满分5分)
英语课上,老师要求同桌同学相互修改作文。假设以下便条为你同桌所写,请你对其进行修改。便条中共有10处错误,每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加:在缺词处加一个漏词符号(^),并在此符号下面写出该加的词。
删除:把多余的词用斜线(\)划掉。
修改:在错的词下划一横线,并在该词下面写出修改后的词。
注意:1.每处错误及其修改均仅限一词。
2.只允许修改10处,多者(从第11处起)不计分。
3.必须按答题要求做题,否则不给分。
When I was in high school, most of my friend had bicycles. I hoped I could also have it. One day I saw a second-hand bicycle, that was only one hundred yuan. I asked my father the money. But he said he could only give me half of the money. He should find the other half myself. So I went to sell newspapers after the school. My father was pleased if I showed him the money a month late. He gives me the other fifty. You can imagine how much happy I was when I rode to school on my own bicycle.
依靠生产资料效率的提高,也就是通过生产资料质量的改善,技术的进步,以及劳动生产率的提高来扩大生产规模的社会再生产是()
A.简单再生产
B.扩大再生产
C.外延扩大再生产
D.内涵扩大再生产