正在加载图片...
Read and Complete Directions: Read the following short passage. Complete it by filling in the missing words A receiver B a phone line C telecommunication D between E called F. numerous G because H transmitter I. mobile J systems Consider a radio broadcast: n this case the broadcast tower is the 1)H, the radio is the 2 )A and the transmission medium is free space. Often telecommunication 3)J are two-way and a single device acts as both a transmitter and receiver, or transceiver. For example, a 4)I. phone is a transceiver. Telecommunication over 5).B is called point-to-point communication 6)G it is between one transmitter and one receiver.7) C through radio broadcasts is 8)E broadcast communication because it is 9)Done powerful transmitter and 10)F receivers 2021/2/20 APVA End2021/2/20 P.9 Directions:Read the following short passage. Complete it by filling in the missing words. A.receiver B. a phone line C. telecommunication D. between E. called F. numerous G. because H. transmitter I. mobile J. systems Consider a radio broadcast: In this case the broadcast tower is the 1)________, the radio is the 2)________and the transmission medium is free space. Often telecommunication 3)________are two-way and a single device acts as both a transmitter and receiver, or transceiver. For example, a 4)________ phone is a transceiver. Telecommunication over 5)________is called point-to-point communication 6)________it is between one transmitter and one receiver. 7)________through radio broadcasts is 8)________broadcast communication because it is 9)________one powerful transmitter and 10)________receivers Read and Complete End H A J I B G C E D F
<<向上翻页向下翻页>>
©2008-现在 cucdc.com 高等教育资讯网 版权所有