A
The International Day of Families, which was started by the United Nations in 1993,______(1)(hold) on May 15 every year. The day celebrates the ______(2) (important) of families. It aims to deepen people’s understanding of issues______(3) are related to families. With a different theme each year, the day is observed with a wide range of events that are organized at local, national and international______(4)(level).
B
For thousands of years, people have been trying to predict the weather. In China during the Shang Dynasty, people ______ (5)(record) weather forecasts on animal bones and tortoise shells. Centuries later, ______(6) Greece, the philosopher, Aristotle wrote his theories about how weather conditions formed. Weather forecasting advanced over time, with more and more instruments used to measure temperature, humidity and air pressure. Today, satellite data and computer technology help scientists predict the weather more______(7)(precise).
C
Last year, China started testing 5G mobile networks in several cities. The Hongkou District of Shanghai was the first to operate a 5G network. To test the network, Wu Qing, vice mayor of Shanghai, made a phone call ______(8)(use) a Huawei MateX, Huawei’s first 5G smartphone. According to The Telegraph, “5G is the innovation that ______(9) (shape) all our lives for years to come.” It is ______(10) (fast) and more stable than 4G, the previous generation of cellular ( 蜂窩狀的) network technology.（2020年北京西城一模）
參考答案
1．is held
2．importance
3．that/which
4．levels
5．recorded
6．in
7．precisely
8．using
9．will shape
10．faster
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