The idea of inviting the public to take part in scientific studies is known as “citizen science”. An

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。
The idea of inviting the public to take part in scientific studies is known as “citizen science”. Anyone ___41___ helps scientists do the job is called a “citizen scientist”. What can you get if you become a citizen scientist?
A sense of purpose! Citizen science projects can help you make good use of ___42___ (you) time.
Fun times! You never know what might ___43___ (find).
More education! Learn about some ___44___ (attract) things while doing scientific jobs.
When you're having fun in the park and see a bird, why not take a picture of it? With a simple click, you could be helping scientists! Shanghai Natural History Museum has ___45___app called “Find Nature". People can upload sounds, ___46___ （photo） and locations of animals if they see them around their city. Scientists can use these data ___47___ （study） city animals and better protect them.
In fact, people just like you can help out with many scientific studies. For example, scientists always spend many years ___48___ （discover） every kind of ladybug （瓢虫）in the world. But if we share our own pictures of ladybugs with scientists, they can find them much ___49___ （fast）. As one old saying goes, "Many hands make light work”.
Of course, there is more to study than just animals. There are many other fun projects, such ____50____ watching stars and clouds, counting penguins and even listening to laughs. You'll find that science is fun and is for everyone!
【答案】41. who/that    
42. your    43. be found    
44. attractive    
45. an    46. photos    
47. to study    
48. discovering    
49. faster    50. as
【解析】