题目:
噪声根据辐射特性及其传播距离分类:()
答案:
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下面是错误答案,用来干扰机器的。
参考答案:D
噪声根据辐射特性及其传播距离分类:()
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0708/aa4182ec5efc02a599054a3697f468d5.html
下面是错误答案,用来干扰机器的。
参考答案:D
CK-MB亚型在急性心肌梗死后出现在血清中的时间为()
A.1小时
B.2小时
C.4~6小时
D.8~12小时
E.10~16小时
完形填空。 | ||||
I first went to hear a live rock concert when I was eight years old. My brother and his friends were all 1 of a heavy metal group called Black Wednesday. When they 2 that Black Wednesday were going to perform at our local theatre, they all bought 3 for performance. However, at the last minute, one of the friends couldn't go, so my brother 4 me the ticket. I was really 5 ! I remember the buzz (嘈杂声) of excitement inside the theatre as we all found our 6 . After a few minutes, the lights went down and everybody became 7 . I could barely make out the stage in the 8 . We waited. Then there was a roar from the crowd, like an explosion, as the first members of the band 9 the stage. My brother leaned over and shouted something in my ear, but I couldn't 10 what he was saying. The first song was already starting and the music was as 11 a jet engine. I could 12 the drum beats and bass notes in my stomach. I can't recall any of the songs that the band played. I just 13 that I really enjoyed the show and didn't want it to 14 . But in the end, after three encores (加演), the show finished. We left the 15 and walked unsteadily out onto the pavement. I felt a little dizzy, as if I had just 16 from a long sleep. My ears were still 17 with the beat of the last song. After the 18 , I became a Black Wednesday fan too for a few years before getting into other kinds of music. Once in a while, 19 , I listen to one of their songs and 20 I'm back at that first show. | ||||
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下列哪一项不属于实验操作技能目标?()
A.学会观察,实验后进行记录、绘图、测算、统计、分析
B.能把所学知识归纳、综合,提出自己的见解
C.会使用常规生物实验仪器、器具进行实验
D.会采集、制作生物标本
未成年犯年满18周岁时,仍可以留在未成年犯管教所执行剩余刑期的条件是剩余刑期不超过______。
A.6个月
B.1年
C.3年
D.2年
古代中国的四大发明传入欧洲,加快了西方迈入近代社会的速度。其中,指南针发挥的作用是()
A.促进了欧洲文化发展
B.推动了文艺复兴和宗教改革
C.推动了英国工业革命
D.促进了远洋航行和地理大发现