根据第二段倒数第二句中的they probably couldn't produce enough airflow through their long necks and force out sound.可知,人们认为长颈鹿无法通过它们的长脖子产生足够多的气流,因为它们无法发出声音。 2.推理判断题。根据第三段第二、三句They seemed to communicate with visual signals rather than sounds....
Vibrations make loud, quiet, high and low sounds . Our ears pick up these sounds , and our brain tells us what they are. Enjoy the many sounds of the world and be careful with your earS.(1)Africans use to show their feelings.A. pianosB. violinsC. drumsD. guitars(2)What does the...
Smartphone apps already exist that will identify birds, bats or mammals simply by listening to the sounds they make. Their idea was to apply the principle to conservation work.(在10月17日发表的一篇论文中,由维尔茨堡大学的生态学家Jorg Müller领导的一组研究人员描述了一种更好的方法:让计算机来完成...
Even the weather makessounds. Sounds can be loud or soft. They can be pleasant or unpleasant.Animals use sound in many ways. Humans use sound to communicatetheir thoughts and feelings. Other animals use sound to communicate,too. Humans have invented many things to make sounds. For example,...
句意:这些动物发出声波,并通过回声感知周围环境。 考查动词短语。send in提交;send up发射;send out发出(光、信号、声音等);send for派人去拿。根据“These animals...sound waves and make sense of their environment from the echoes.”可知,发出声波应用send out。故选C。反馈 收藏 ...
第6句:Smartphone apps already exist that will identify birds, bats or mammals simply by listening to the sounds they make. ① Translation: 目前已有智能手机应用,能够仅凭倾听它们的叫声来识别鸟类、蝙蝠或哺乳动物。 ② Relatively difficult words and phrases: identify [aɪˈdɛntɪfaɪ],识别...
The sound you hear is “meow” and “woof”. What animals make these sounds? A. Cat and dog B. Duck and pig C. Bird and rabbit D. Monkey and bear 相关知识点: 试题来源: 解析 A。“meow”是猫的叫声,“woof”是狗的叫声。选项 B 中“duck”(鸭子)的叫声一般是“quack”,“pig”(猪)...
解析 waves 1. 题目要求填写一个名词,因为空格前是名词sound。 2. sound waves意为“声波”,指的是动物发出的用来感知环境的声音。 3. 句子 These animals send out sound waves and make sense of the environment by echoes(回声)的意思是:这些动物发出声波,并通过回声来感知环境。
a make-up company,and Shell,an oil firm,have been spending money on forest restoration projects around the world.Dr Müller hopes that an automated approach to checking on the results could help monitor such efforts,and give a standardised way to measure whether they are working as well as ...
肯定回答Yes, they are,B选项的结构是错误的;否定回答No, they aren’t,C选项的结构是错误的。否定式的一般疑问句的回答要根据事实回答,根据下文They make beautiful sounds when they see visitors“当看到游客时,它们会发出优美的声音”,可知,动物园里的动物是友好的,所以空格处是肯定回答。故选A。