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Citizen Scientists Understanding how nature responds to climate change will ...

admin2020-12-24  28
问题 Citizen Scientists
Understanding how nature responds to climate change will require monitoring key life cycle events — flowering, the appearance of leaves, the first frog calls of the spring — all around the world. But ecologists can’t be____________ (51) so they are turning to nonscientists,
sometimes called citizen scientists, for help.
Climate scientists are not present everywhere. ____________ (52) there are so manyplaces in the world and not enough to observe all of them, they are asking for your help in____________ (53) signs of climate change across the world. The citizen scientistmovement encourages ____________ (54) people to observe a very specific research interest — birds, trees, flowers budding, etc. — and send their observations____________(55) a giant database to be observed by professional scientists. This helps a small number of scientists track a____________ (56) amount of data that they would never be able to gather on their own. ____________ (57) like citizen journalists helping large publications cover a hyper-local beat, citizen scientists are ready for the conditions where they live.____________ (58) that's needed to become one is a few minutes each day or each week to gather data and____________ (59) it in.
A group of scientists and educators launched an organization last year____________(60) the National Phenology (生物气候学)Network.“Phenology” is what scientists call the study of the timing of events in nature.
One of the group’s first efforts relies on scientists and non-scientists____________ (61)to collect data about plant flowering and leafing every year. The program，called Project BudBurst, collects life cycle____________ (62) on a variety of common plants from across the United States. People participating in the project — which is____________ (63) to everyone — record their observations on the Project BudBurst website.
“People don’t____________ (64) to be plant experts — they just have to look around and see what’s in their neighborhood，” says Jennifer Scheartz, an education consultant with the project. “As we collect this data，we’ll be able to make an estimate of________ (65)plants and communities of plants and animals will respond as the climate changes.”
选项 A who
B before
C since
D how
答案D
解析项引导宾语从句。A项“who”也可以引导宾语从句，在从句中要作主语或宾语。但此从句不缺主语，且respond为不及物动词，不能直接加宾语，故排除A项，选择D项。
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