According to the passage cell phones were launched______.A.in the late 1970sB.between 195
专四
已帮助 人
According to the passage, cell phones were launched______.
A.in the late 1970s
B.between 1955 and 1960
C.in the late 1955s
D.in the early 1990s
请帮忙给出正确答案和分析,谢谢!
-
正确答案:B
事实细节题。根据选项数字定位到第二段最后一句“从20世纪80年代初手机进入市场以来···”。其中“launched”与“introduced”表示意思一致。故选B。
