- 1、本文档共28页,可阅读全部内容。
- 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
- 5、该文档为VIP文档,如果想要下载,成为VIP会员后,下载免费。
- 6、成为VIP后,下载本文档将扣除1次下载权益。下载后,不支持退款、换文档。如有疑问请联系我们。
- 7、成为VIP后,您将拥有八大权益,权益包括:VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
- 8、VIP文档为合作方或网友上传,每下载1次, 网站将根据用户上传文档的质量评分、类型等,对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档
查看更多
人教版八年级物理上册第二次月考试题与答案(国外英文资料)
人教版八年级物理上册第二次月考试题与答案(国外英文资料)
Baochang 9-year school physics
The school physics of the nine year school of baochang school physics
Baochang 9-year school physics (
((
(eight years
Eight years in eight years
Eight years)
))
) the first
The first the first
second
.
The exam is the second month
The next month test the question of the next month
The following month test
Class: the total score:... one
One by one
A,
,,,
Multiple choice,
Choice question
Choose the problem
For every little problem
Each item 2 points
hoping
Points,
,,
, a total of
A total of a total of
A total of 40 points
hoping
A: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 11, 13, 14, 15, 16, 17, 18, 19, 20
In the following phenomena, it is not possible to explain how the sound produces ().
An astronaut on the moon can only talk on the radio
When you speak, touch your larynx with your fingers and feel the vibration
C. The sound fork that is making a voice will open the suspended foam
D. use your hand to hold the lingering sound of the gong, and the gong ceases immediately
One night, xiao Ming was studying for his lessons at home. The neighbors were singing a song that interfered with his studies and was small
The following measures that Ming intends to take are invalid ()
Turn the door off b. open the window and let the air flow
C. use cotton to plug the ear d. go to the neighbors house and ask him to lower the sound of the song
The three gorges dam, which has just been completed, has created human beings without structural cracks
A miracle in the history of water conservancy, the ultrasonic wave that can be emitted by a flaw detector cant be heard by ear
()
A. the speed is too fast b. the noise is too low c. the frequency is too low
The famous sentence in the tang poem maple bridge is included in the temple of the temple of the night and the half of the night.
Acoustical knowledge, what is wrong with the interpretation of the acoustic phenomena is ()
The person on the passenger ship knows the sound of the bell by
文档评论(0)