2. 外语
  3. In 1948, people living in remote areas could see TV programs by ______ in the United States. Cable television had developed tec

In 1948, people living in remote areas could see TV programs by ______ in the United States. Cable television had developed tec

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问题 In 1948, people living in remote areas could see TV programs by ______ in the United States.
Cable television had developed technology that allowed them to add more programming to cable service in ______.
选项 A、In the early 1990s
B、In the late 1970s
C、In the early 1950s
D、In the early 1940s
答案B
解析 本题涉及到有线电视的技术发展。该段倒数第二句提到，在二十世纪七十年代末期，有线电视就找到了解决扩大器问题的方法，也就是在这时，有线电视也得到技术上新的发展：允许在电缆服务上增加更多的节目了，故答案为[B]。
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