Cloze 1 Wetlands are known as the "kidneys(肾) of the Earth", providing a variety of ecosystem services such as water conservation and climate regulation and having 1 (exception) carbon capturing(捕捉) ability. They can store 50 times more carbon 2 rain forests do, helping to keep the greenhouse gases out of the atmosphere. China's wetland 3 (cover) represents nearly 10% of the global total. In China, about 300 million people depend on wetlands 4 survival. Wetlands are vital for the food production of the country. This year marks 5 30th anniversary of China's joining the Ramsar Convention on Wetlands. China has made great efforts to preserve wetlands. Xixi National Wetland Park, lying in Hangzhou, Zhejiang Province, 6 (approve) as China's first national wetland park in 2005. Now, there are 901 national wetland parks in China, 90% of 7 are open to the public for free. Among the 43 "international wetland cities", 13 8 (be) in China, the most in the world. And on June 1, the country's first law 9 (devote) to wetland protection came into effect. The country's goal is 10 (bring) 55% of wetlands under protection by 2025, and become a leader in global wetland conservation and restoration by 2030. Cloze 2 A new study conducted by scientists at MIT suggests that our longing to exchange words 1 others causes a similar neurological(神经学的) response as a hungry person desiring food. In the study, scientists had 40 people fast(禁食) for ten hours. At the end of the day, they showed the hungry subjects images of pizza and chocolate cake while having their brain activity 2 (record). In the second round of experimentation, the subjects 3 (ban) from social interaction for ten hours. Afterward, the team exposed them to images of people gathering and playing sports. 4 (interesting), the results revealed the same part of their brains brightened up in response to both food and social gatherings. The participants also reported 5 they felt through the experience. They noted they were 6 (comfortable) and anxious to eat and that they felt lonely and desired interaction. This study provides support for the idea that loneliness 7 (act) as a signal—just like hunger—that shows individuals that there is an 8 (absent) of something and that they need to take action to repair that. As such, the study suggests that social interaction is not just comforting 9 fun—it's a basic human need. Therefore, it is important 10 (pay) attention to this social dimension of the current world. Cloze 3 Since the pre-Qin period, Chengdu 1 (be) an important cultural city in China. But 2 really sets the city apart, culturally, is its opera. An important aspect of Sichuan Opera is 3 magic of "face-changing" where vividly coloured masks are changed in the blink of an eye. In opera gardens and teahouses across the town, audiences 4 ... ...
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