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“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...
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...
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...
Related to this Question What is u in the military phonetic alphabet? What is the letter k in the military phonetic alphabet? What is the military phonetic alphabet word for p? What is j in the military phonetic alphabet? What phonetic alphabet do American soldiers use?
Simply look at the rest of the sentence or passage and review the words you do understand; does their meaning help you with the unknown word or words? Context clues example sentences The soldiers are tired, unmotivated, and falling into despair; we desperately need to raise morale. Everything...
Swarms of ants can do many difficult tasks. For example, they can find the shortest path to the best food source. It may appear that individual ants build nests and defend their homes, but ants aren’t clever architects or soldiers—at least not as individuals. If you watch an ant try ...