Question

For many years, no one could communicate with people who had

Answer 1

小题1:A

小题2:B

小题3:C

小题4:C

小题1:主旨大意题，通览全文，可知答案。

小题2:推理判断题。

小题3:参照第三自然段。

小题4:推测题。根据原文最后一句可得出答案。