《2025年学霸题中题八年级英语上册译林版》

Ⅵ. 语法填空
根据短文内容,在空格上填入一个适当的单词或括号内单词的正确形式。
On March 6, 2025, scientists in the USA made an exciting discovery. They created 1 special animal called the Colossal Woolly Mouse by mixing DNA from modern mice and woolly mammoths(猛犸象). This was done 2 (use) gene-editing(基因编辑) technology. What is gene-editing then?
Gene-editing helps scientists change parts of DNA. A tool called CRISPR-Cas9 3 (act) like “scissors” cut and edit DNA. It can cut DNA at specific parts. It can remove bad genes, add new genes to help cure 4 (ill) or improve crops. Scientists hope this technology can one day bring back extinct animals like woolly mammoths and dodos(渡渡鸟).
5 (sad), this success also reminds us of the truth: many animals die out because of human activities. Humans pollute air and water, destroy forests, and hunt animals too much. Many 6 (animal) homes are taken away. Therefore, thousands of species of animals in the old days can't be found 7 earth now.
What should we do? Scientists have spent years 8 (try) to save animals that have died out. 9 instead of only waiting for technology to fix problems in the future, everyone must take action now 10 (protect) the animals we still have. Every species is important for a healthy planet. Let's act now before it's too late!
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答案： 1. a 2. using 3. acts 4. illness 5. Sadly 6. animals' 7. on 8. trying 9. But 10. to protect