Can you hear the sound of the piano? Cover your ears again. What can you find now?You know that sound makes air vibrate(震动), then it makes sound waves(声波). Before you can hear the sound, the sound waves must get to your ears.Our ears are made up of three parts. They are th...
It collects the sound around you. Then it goes down into the middle ear and the inner ear. We cannot see these two parts. But they are very important. There are hairs(绒毛) in the inner ear. The hairs help to send sound to your brain(大脑).This way, you can hear sounds around ...
题目①How can we hear?Of course we hear sound(声音) with our ears.But do you know how we use our ears?Ask your friend clap(拍手) his hands.Cover(遮盖) your ears.Can you hear your friend clapping his hands?Put down your hands.Ask your friend to play the pia...
Listen up: how well can you hear sound coming from different directions?(hands-on)
11.3万 How Do You Feel by:读乐儿 431 How Do Apples Grow by:Matchbox火柴盒子 1882 How do you feel by:StoryTribeReading 3.6万 How do you feel by:绘本阅读启蒙 8348 How We Invented Freedom by:最爱佑佑 4571 JY|How do you feel by:仰望无尽星空_ 25 What We Do-Le Boom by:情迷电音 ...
- **C. hears**:第三人称单数形式,但"hear"意为“听到”,主语是音乐(无生命),无法主动“听”,逻辑错误,排除。 - **D. sounds**:第三人称单数形式,sound为系动词,表示“听起来”,后接形容词"sweet",符合句意(音乐的甜美感是听觉感受),正确。 3. **结论**:正确答案为**D. sounds**,句子完整...
解析 【答案】be heard【核心短语/词汇】hear:听见【翻译】今晚真安静!听不到任何声音。【解析】第二句句意是:听不到任何声音。第二句主语是No sound:没有声音,和“听见”是被动关系,can能,是情态动词,此处用含有情态动词的被动语态:情态动词+be+过去分词,hear听见,的过去分词是heard。答案是:be heard。
So simply by rephrasing this statement as a question, it makes it sound so much more polite and respectful. What if we moved it here?只需将这个陈述重新表述为一个问句，就可以让它听起来更加礼貌，更能表达出自己的敬意。如果我们将它搬到这里怎么样呢？Now can you hear how what and if are ...
can’t hear yourself think.Doctors who study noise believe that we must sometimes hear ourselves think.If we don’t we may have headaches,other aches and pains,or even worse mental problems.Noise adds more tension(紧张) to society that already faces enough stress.But noise is not a new ...
When a quiet musical sound a harp, for example-- is close in frequency to a louder musical signal a trombone section, say then we simply don't hear the harp because the trombones' powerful sound masks the delicate tones of the harp. This phenomenon forms the basis of perceptual coding sy...