现代电信网络主要靠微波通信、______通信和______通信三种方式组成．人们通过计算机进入______这个信息高速公路，在全球范围内使信息得到高速共享．
现在人类可以发射人造卫星，可通过卫星实现全球同步通信．由于移动技术的成熟，也可实现移动通信．世界上的计算机通过网络连接在一起，组成世界上最大的计算机网络因特网，实现了信息资源共享．
故答案：卫星、移动、因特网．
| 阅读下列短文，从每小题所给的A、B、C、D四个选项中选出最佳选项。 | ||||
| Look! This is a long street. My home is in the street. Next 1 my home is No. 6 Middle School. There are some students playing basketball on the playground. In front 2 my home there is a bus stop. Many people are waiting for the buses, 3 we can't see a bus now. behind my home 4 is a big shop. There are 5 kinds of foods in it. I can 6 my favorite food there. Near the big shop there is a park. There is a zoo next to the park. In front of the zoo there 7 two fruit shops and a bookshop 8 is next to the bookshop? It's a swimming pool. In summer, there are many people swimming in it. 9 the right side there is a big hospital. 10 there a library in the city center? Yes. It's next to the hospital. | ||||
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