内容正文:
Unit 5 A Delicate World
单元话题语法填空练习
(2023上·四川宜宾·高二校考阶段练习)阅读下面短文, 在空白处填入1个适当的单词或括号内单词的正确形式。
Lions, tigers and other animals are staying awake at night 1 (avoid) human beings, a new study finds.
Scientists have known that human activities can lead to changes in nature. Many animals may move around less or travel to far places to keep away 2 people. By being awake at night, animals can also be on guard against possible enemies and spend less time 3 (look) for food.
The latest research found even activities like farming and camping can 4 (fright) animals and cause them to become more active at night. 5 had been studied were lions in Tanzania, tigers in Nepal and monkeys in Brazil. Researchers compared 6 (careful) how much time those animals were active at night in areas of human activities, such as hunting and farming. It was human activities that caused 7 increase of about 20 percent in night-time activities, even in creatures that usually sleep at night. Results 8 (publish) in the journal Science two months ago.
The new findings are 9 (usual) because no one else has looked at it in such detail before. Ecologist Marlee Tucker was 10 (surprise) that any kind of human activities is enough for animals to see people as a threat.
(2023上·浙江宁波·高二校联考期中)阅读下面短文, 在空白处填入 1 个适当的单词或括号内单词的正确形式。
China’s second national botanical garden opened on Monday in Guangzhou after the country’s first 11 (show) in Beijing in April. 12 (build) on the current South China Botanical Garden in the eastern part of the city, its 13 (establish) was approved by the State Council.
With a total area of 333 hectares of exhibition and 14 (science) research, it is the world’s largest south subtropical ( 亚热带的) botanical garden, as well as one of China’s 15 (old) institutions for botanical research and conservation.
It is home 16 about 17,000 taxa of conservation plants away from