题目内容
（请给出正确答案）
The giant trees above the dense canopy layer(树冠层) cannot enjoy sunlight.
A．Y
B．N
C．NG
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更多“The giant trees above the dens…”相关的问题
A．Working unsociable hours.
B．Dealing with people.
C．Working in a team.
D．All of the above.
A．Your father.
B．Your mother.
C．Your soft-spoken female teacher.
D．None of the abov
A.College career offices
B.State Department of Labour offices
C.The local public library
D.All of the abov
B．a public library
C．a bookstore that is open to everyone
D．All of the abov
E．None of the abov
E．
A.By sustained innovation in products.
B.By sustained innovation in channels.
C.By sustained innovation in sales and services.
D.All of the abov
A.The theme of marriag
B.The theme of literatur
C.All the three mentioned abov
D.The theme of lov
A.purchased divided by its price must be equal.
B.purchased multiplied by its price must be equal.
C.must be zero.
D.must be infinit
E.none of the abov
F.F.
请根据短文内容，回答题。
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&39;t be __________(51) so they&39;re turning to non-scientists, sometimes called citizen scientists, for help.＜br＞
Climate scientists are not present everywhere. __________ (52) there are so many places in the world and not enough scientists to observe all of them, they&39;re asking your help in __________ (53)signs of climate change across the world. The citizen scientist movement 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 condition- where they live. __________ . (58) that&39;s needed to become one is a few minutes each day or each week to gather data and __________(59)it in.＜br＞
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.＜br＞
One of the group&39;s first efforts relies on scientists and non-scientists__________ (61) to collect data about plant flowering and leafing every year. The program, called Project Bud Burst, collects 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 Bud Burst website.＜br＞
"People don&39;t__________ (64) to be plant experts- they just have to look around and see what&39;s in their neighborhood," says Jennifer Schwartz, an education consultant with the project.＜br＞
"As we collect this data, we&39;ll be able to make an estimate of__________(65) plants and communities of plants and animals will respond as the climate changes."
_________ 查看材料
A.everywhere
B.anywhere
C.somewhere
D.nowhere
What does Abu Hamza suggest according to the end of the passage？
A．European court sits above Britain"s Supreme Court.
B．American citizens are always threatened.
C．People violate when threatened.
D．Detention centers are widespread.
A．Two mechanical pilots will do the job.
B．The giant jet will crash.
C．The giant jet will be forced to land.
D．The engines of the giant jet will stop working.
