【题目】People, animals, and other things make sounds (声音).Sounds can be loud (大声的) or quiet,happy or unhappy.Sounds are very important. Most people and animals use sounds, to communicate交流) with each other. Many things also make useful sounds. Drums(鼓) and pianos bringus music....
Motions of particles also create heat, but in that case the movement is disordered and random.If you sit by a nice, warm fire, the infrared radiation emitted by the flames strikes your skin.The energy of that radiation causes the molecule...
根据上下文可知时态是一般现在时;sound在此处是不可数名词,因此be动词是is。(5)how考查副词。句意:“声音就是这样传播的。”(6)car考查名词。根据上文可知是听到汽车经过的声音。根据 a car is driven by可知是单数。(7)kinds考查名词。根据下文“Some sounds are loud.Others are quiet ...
loud or soft. They can be pleasant or unpleasant. Animals use sound in many ways. Humans use sound to communicate their thoughts and feelings. Other animals use sound to communicate, too. Humans have invented many things to make sounds. For example, Africans use drums to...
Sounds can be loud (大声的) or quiet, happy or unhappy. Sounds are very important. Most people and animals use sounds, to communicate (交流) with each other. Many things also make useful sounds. Drums (鼓) and pianos bring us music. Bells in school tell us to have classes on time. ...
- On the outside looking in, that's where.think something through:认真考虑清楚某事剑桥英语释义:to carefully consider the possible results of doing something例句:It sounds like a good idea, but we need to think it through.cross one's mind:想起过(某事)柯林斯英语释义:If you say that an ...
【题目】Lots of things are loud and lots of sounds have a high pitch (音调). But there's something about the sound of ahuman scream that makes t more alarming to us than any other sound. Screaming is a sound humans make acros allage ranges and cultures. Whether due to pain, horror ...
There are loud sounds and soft sounds. When you shout,you make a loud sound. When you speak very quietly, you make a soft sound. All sound has pitch(音高). A drum is an instrument with a low pitch. A bell is an instrument with a high pitch.Electricity is made by burning fuel (...
She gives me the freedom to make mistakes and to learn from them all. Unlike friendships that can fade or break, I know I'll always be connected to my mother no matter what I face. She is not just a role model, but someone I love. 2021年全国高考新高考I卷英语听力 第一部分 听力(...
Ovenbirddefinition:an American warbler that builds a dome-shaped nest on the ground Teacherdefinition:one whose occupation is to instruct We didn’t make this up: Unfortunately,ovenbirdsare stubborn about letting themselves be seen. They're easily heard. The males begin singing a loud, rollicking...