Title VSTEP-Reading test 8.docx ✅

Code 8 - Page 3 of 14 D. Only one person can talk at a time. 4.The word"duplex" in the passage most probably means_______. A. allowing two-way communication B. havingat most two channels C. being able to transmit signals within two miles D. being produced by two companies 5. What makes cell phones and walkie- talkies different from regular phones? A. They allow two people to talk to each other at the same time. B. They are both half- duplex communication device. C. They can be used in many different locations. D. They both cost a lot of money. 6. The word “portable”in paragraph 3 is closest in meaning to_______. A. mobile B. modern C. compact D. fashionable 7.To whom did Cooper make his first cell phone call? A. His assistant B. His family C.His boss D.His competitor 8.How did people on the street feel when Cooper made the call? A. surprised B. angry C. frightened D. embarrassed 9.When did Motorola introduce the first cell phones for commercial use? A. in 1973 B. in 1977 C. in 1981 D. in 1983 10.The phrase "tried it out" refers to_______.