根据 "Alphorns(阿尔卑斯长号角) were once...used to communicate in the mountains in Switzerland."可知此句话主谓 宾成分齐全,故空格处应填副词来修饰“used,故选B 【3题详解】 句意:它们非常长,它们也非常重 either也,用于否定句句尾;neither也不;too 也,用于肯定句句尾;also 也,用于肯定句句中。根据...
根据“This is called visual communication, and it includes the use of flags and even smoke. Long ago, soldiers along the Great Wall of China used smoke as a warning.”可知,古代长城沿线的士兵用烟雾作为信号传递,这被称为视觉交流,所以士兵是通过观察来收到城楼之间的警告信息的。故选D。 (5)题...
Amazon's stated intent for the service is to support customers' smart home devices, and unlike municipal WiFi networks, Amazon Sidewalk's mesh network uses the 900 MHz spectrum to communicate. Not all municipal wireless networks use mesh technology, however. Some use a technology called WiMAX, ...
Damage Caused by Soldiers While soldier termites don't consume wood, they protect the workers that do. These pests communicate danger to the colony by banging their heads against tunnel walls and creating vibrations. They also assist workers in repairing tunnels and building new ones. Termite Contr...
Drones require a controller, which lets the operator use remote controls to launch, navigate and land the aircraft -- all while the pilot remains on the ground. The controllers communicate with the drone using radio waves, such asWi-Fi. Drones also commonly have a camera onboard, which strea...
C A.Now people mostly use alphorns to send messages down to villagers. B.El silbo comes from the language of French. C.People of L a Gomer a can communicate with each other by using el silbo far away. D.Soldiers along the Great Wall got warning messages by shouting.(4)What is the...
They learn how to use it and even whistle in class.Do you know 9 also possible to send messages without making a noise? This is called visual communication, and it includes the use of flags and even smoke. Long ago, soldiers along the Great Wall of Chin a used smoke as a warning.If...
EWTN Viewer Services Representative Katie Endrey decided to participate in her first build for an even more personal reason. “I’m new to the area. I moved here to work at EWTN. I thought it would be a good opportunity to meet co-workers, and to do something good for Lent.” ...
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The soldiers communicated through hand signals. 10 Communication The imparting or exchanging of information or news. The communication of facts was crucial for the project. 10 Communicate To share or exchange information, news, or ideas. She communicated her plans to the team via email. 7 Communic...