People gathered at the US National Zoo to celebrate the 50th anniversary of the arrival of the first pandas from China. “Pandaversary” was the main event of a six-month series of events arranged by the zoo.

Ling Ling and Hsing Hsing arrived 50 years ago,     1     was one of the most meaningful     2     (outcome) of President Richard Nixons significant visit to China in 1972. Now, Mei Xiang, Tian Tian and their youngest cub, Xiao Qi Ji,     3     (be) in the zoo. Their other cubs, Bao Bao and Bei Bei, were returned to China several years ago

Pandas are the symbol     4     friendships. Fifty years of cooperation between the United States and China on panda conservation     5     (accomplish) truly remarkable achievements. The panda is no longer an     6     (endanger) species. The Chinese Ambassador to the United States thanked the zoo for making Washington a wonderful home for pandas. “And     7     successful story of panda conservation is a very good example of China and the United States, which shows the     8     (possible) that we can cooperate to work together, not only in the area of panda conservation, but we can achieve more in other areas     9     (benefit) our two peoples,” said he. “So I wish pandas lived a happy life forever in DC, and we are looking forward to     10     (far) cooperation. ”

In the near future, we will be living in smart homes, which will ensure our     1     (secure), save us energy and provide a more comfortable environment to live in. 

In the smart homes,     2     (use) advanced technology daily for automatic control of everything will be common. Our future home will use integrated sensors to tell when we leave home and then go into an energy⁃efficient mode all by     3     (it). We don’t have to think about turning     4     (switch) on and off ourselves. Our future home will prepare everything for us when we get home every evening. It is also amazing that all controls will respond     5     voice commands. 

Smart homes can help monitor our health. They will give us suggestions on a healthier diet and how     6     (sleep) better. They can also warn us early on if we have a critical illness and     7     (potential) save our lives. In addition, they can help to prevent serious damage from accidents. For instance, if a water pipe     8     (start) leaking, our smart home will detect it. 

This smart technology isn’t     9     daydream or fantasy any longer. Many new innovations have become a reality. Nevertheless, it will take a few years     10     most new homes start to use this new technology.