问题
单项选择题
2009年创建的国家传感网创新示范新区在（）。
A、无锡
B、上海
C、北京
D、南京
答案
参考答案：A
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2009年创建的国家传感网创新示范新区在（）。
A、无锡
B、上海
C、北京
D、南京
参考答案：A
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| There are four kinds of satellites. The first kind of satellite studies the 1 of the earth. They are used to 2 maps. They also help countries to see where they may 3 oil or gold. The second kind guides ships and planes. A ship or plane can send 4 to the satellite, and the satellite can find out where it is. The third kind studies 5 . These satellites 6 clouds and strong winds moving across the earth. They warn countries when very 7 weather is coming. They take photos of the earth from thousands of kilometers above it and 8 the photos to a weather station on the ground. The fourth kind is used for communication. Telephone calls 9 countries can be sent by these satellites. Some can carry hundreds of calls at one time. The calls are sent to the satellite,then the satellite sends them to a station in the country Which is being phoned. These satellites 10 carry television pictures. They can receive and send about eight programs at a time. How amazing! | ||||
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