Which statement about the reflected sound is correct?Pernyataan manakah mengenai bunyi yang dipantulkan adalah betul? A A The speed of the sound waves is unchanged Laju gelombang bunyi tersebut tidak berubah B The amplitude of the sound waves increases Amplitud gelombang bunyi tersebut bertambah C ...
C. Sound can be seen. D. Light and sound travel in different media at different speeds. 相关知识点: 试题来源: 解析 D。本题考查光和声的特性。选项 A 光和声速度不同,所以错误。选项 B 光不能被听到,所以错误。选项 C 声不能被看到,所以错误。选项 D 光和声在不同介质中以不同速度传播,正确。
To determine which statements about sound waves are true, we will evaluate each statement one by one.Step 1: Evaluate Statement I Statement I: "They are produced by vibrating objects." - Sound waves are indeed
aThe language barrier, We do not have Talk Exchange,I don't even know what kind of person are you 语言障隘,我们没有谈话交换,我甚而不知道什么样的人是您[translate] aWhich statement about Web 2.0 is true 哪个声明关于网2.0是真实的[translate]...
A、A. Interactive models are accepted as the most comprehensive description of the reading process. B、B. Bottom-up models typically consists of lower-level reading processes, so students start with the fundamental basics of letter and sound recognition, which in turn allows for morpheme recognition...
Which statement is wrong? A. Sound travel through air. B. Sound travels in air. C. Sound travels through air. 相关知识点: 试题来源: 解析 A。本题考查主谓一致和介词的用法。“sound”是不可数名词,谓语动词用“travels”;“travel through”和“travel in”都可以表示“在……中传播”。
Which intonation can make a statement sound more polite? A. Rising intonation. B. Falling intonation. C. Level intonation. 相关知识点: 试题来源: 解析 A。解析:上升语调可以使陈述句听起来更礼貌。下降语调较为直接。平调没有这种效果。反馈 收藏 ...
Which of the following is a true statement regarding HR management at small businesses? Base remuneration is also referred to as which of the following? a) incentives b) allowance c) wages d) benefits Which of the following statements is true about the concept of profit-sharing?...
C.The pilot vessel may only sound the identity signal when making way D.All of the above 点击查看答案 第7题 Which statement is TRUE about population increase? A.There might be an increase of 2.2 billion persons from 1975 to the year 2000. B.About 50,000 babies are born annually at ...
Which statement(说法) is true()A.The west coast was a better place to make films. B.There are no mountains near Hollywood. C.People no longer went to the cinema after television became popular. D.Hollywood began to make films for television after the First World War....