Class D amplifiers, first proposed in 1958, have become increasingly popular in recent years. What are Class D amplifiers? How do they compare with other kinds of amplifiers? Why is Class D of interest for audio? What is needed to make a “good” audio Class D amplifier? What are the ...
句意:它是多么有用的建议! A.a不定冠词,一个,表泛指,B.an不定冠词,一个,表泛指,C.the定冠词,这个,表特指,D./零冠词。由题干advice是个不可数名词,所以根据what +形容词+不可数名词+主语+谓语!感叹句句型可知,形容词前不加冠词,故选D。结果...
Class D amps offer many advantages in getting that job done. Audio frequencies range from about 20 Hz to 20 kHz, so an amplifier must have good frequency response over this range (less when driving a band-limited speaker, such as a woofer or a tweeter). Power capabilities vary widely ...
1.Regarding Alan Smith’s defence of Alife, the author is ___.A.supportive B.puzzled C.unconcerned D.doubtful 解析：此题信息主要出自于第二自然段的Alan Smith, a complexity scientist, is tired of such complaints。另外再看作者在最后一自然段的结论，just like life itself throughout the universe...
解析 【解析】【答案】D 【核心词汇/短语】tall and thin又高又瘦 【翻译】他长什么样子? 他又高又瘦。 【解析】A how is he他怎么样?;B what does he like他喜欢什么C what is he 他是做什么工 作的;D他长什么样子 从回答 又高又瘦我们可 以知道是提问外貌特征的,所以我们应该选择D。
原文:去外地上大学的感觉怎么样?兴奋,是的.大多数大学新生以前都没有离开过父母,因此他们对大学生活都充满着憧憬.他们要面临的一个挑战是他们得学会支配自己的时间.在中学时,他们无需为此担心.但上大学以后则不同,没有人会告诉他们应该做什么,他们必须自己做决定,爱并对自己的行为负责.翻译:how do you feel ...
A.What B.What an C.How D.How an 相关知识点: 语法 句法 简单句 感叹句 试题来源: 解析 C关键词(句):interesting:有趣的翻译:这部电影多么有趣啊!根据题干可知考查感叹句。感叹词how后面加形容词或副词,其构成为:How+形容词/副词+主语+谓语+其它!感叹词what后面加名词,其构成为:What+a/an+形...
A. ALife holds the key to human future.B. ALife and AI share a common feature.C. AI mirrors the developments of ALife.D. AI speeds up the process of human evolution.34. Which would be the best title for the passage?A. Life Is Undefined. Can AI Be a Way Out?B. Life Evolves. ...
Function: Post Amplifier, Amplifier Combined, Pre-amplifier; Sound Channel: 4.1; Output Number: 4; Voltage: 220V&110V; Element Number: Push-Pull Amplifier; Conductive Mode: D; Product Type: Professional DSP Power Amplifer; Amplifier Type: Class Td; 8 Ohm ...
感叹句一般有两种结构,一种感叹句句式是:what +(a/an)+形容词+名词+主语+谓语!当此结构中名词是复数或不可数名词时,what后面不加a/an;故本题选项中C项的what符合本句式;另一种感叹句句式是:how+形容词+主语+谓语!如果用how引导本题的感叹句应该是How beautiful the music is!。综上所述。 故选:C。...