VOA is the first channel to provide 24-hour television news coverage and the first all
VOA is the first channel to provide 24-hour television news coverage and the first all-news television channel in the United States.()
VOA is the first channel to provide 24-hour television news coverage and the first all-news television channel in the United States.()
第1题
The first program of VOA was broadcast in ______.
A.English
B.French
C.Spanish
D.German
第3题
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
第5题
Which of the following is INCORRECT?
A.Now VOA is broadcast in 44 languages.
B.It produces more than 1,000 hours of news each week.
C.One of the duties of VOA news is to broadcast partially.
D.When VOA begun, all broadcasts were on shortwave.