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The amount of carbon taken in by growing plants increased from 1982 through 1999 as
temperatures rose and the amount of carbon dioxide in the atmosphere increased. But a new study
in Friday ’ s edition of the journal Science found a drought - related decline in such plant growth
from 2000 to 2009，even though temperatures continued to climb.
As drought caused by warming reduces the land ’ s ability to take in carbon，the result could
be more carbon dioxide left in the atmosphere，and thus more warming，Zhao Maosheng from the
University of Montana explained in a telephone interview.
“This is a pretty serious warning that warmer temperatures are not going to endlessly improve
plant growth ’” co - author Steven Running，also from the University of Montana ’ said in a
statement. “ We see this as a bit of a surprise，and potentially significant on a policy level because
previous interpretations suggested global warming might actually help plant growth around the
world, “ he said.
Instead, he and Zhao found a small but measurable decline of about 1%，compared to a 6%
increase in the past decade.
Their study，based on the data collected by NASA satellites，found that north areas continued
to increase plant growth，thanks to warmer temperatures and a longer growing season.
Someone commented, "This past decade’ s net decline in earthly productivity suggests that a
complex relationship between temperature, rainfall, cloudiness, and carbon dioxide, probably in
combination with other factors such as nutrients (营养）and land management，will determine
future patterns and trends in productivity.，，
1.From the first paragraph, we can learn in the recent decade or so.
A. the emission(排放)of carbon hasn’ t been reduced
B. draught has been causing loss of soil and water
C. carbon dioxide levels have been rising
D. the rise of temperature doesn' t promote the plant growth
2.Zhao Maosheng really worried that__ .
E. more and more land will be abandoned
F. the climate becomes warmer and warmer
G. the emission of carbon dioxide increases
H. draught further reduces the number of the plants
3.Steven Running made his statement to__ .
I. confirm Zhao' s views on the influence of temperature rise
J. urge the government to take necessary measures
K. warn the people to strengthen the plant protection
L. support Zhao* s views on lhe plant production
4. We can infer from the passage that______ .
A. global warming will determine the future productivity
B. various factors play a key role jointly on future productivity
C. earthly productivity actually increased in the past decade
D. temperature rise has had no effect on future producticity patterns
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| Dialogue 5 A．Have you ever watched the film E.T made by Steven Spielberg? It is one of the biggest money-making films in (1)h____ I think it’s a great film. B.I don’t think so．But the story is good in some ways．The (2)i____ of a friendly alien living in our world and(3)m_____ friends with a group of teenagers is OK. A．The film is more than twenty years old now and people still love the story. B．I just think it is a good film but not a great one．I think that Steven Spielberg made the film because he wanted to make Everyone(4)m_____ to cry．I also think the film is too long. A. It’s only one hour and forty-five (5)m_____ long! B． I mean that it feels too long．I(6)a_____ it’s extremely exciting at the beginning, but at the end… A. But can you remember the part (7)w____ E.T．is dying and one of the (8)c_____ is so attached to E.T．that he becomes(9) s_______ ill too? B．Yes, I think I fell (10)a______ at that point. | 1．h______ 2．i______ 3．m______ 4．m______ 5．m______ 6．a______ 7．w______ 8．c______ 9．s______ 10．a______ |
A U. S. couple have succeeded in a 55 meter fall over Horseshoe Falls in a barrel (木桶) with only slight hurts. Horseshoe Falls is the Canadian part of Niagara Falls.
Steven Trotter of Florida and Lori Martin of Atlanta were treated at a hospital for small hurts after dropping over the falls as a Father’s Day show.
Police took an hour to free the barrel wrapped with bulletproof (防弹的) material and covered in thick plastics, from rocks at the base of the falls.
Which of the following gives the correct relationship between Canada, Niagara Falls and Horseshoe Falls?
(N = Niagara Falls, H = Horseshoe Falls, C= Canada)
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Steven Trotter of Florida and Lori Martin of Atlanta were treated at a hospital for small hurts after dropping over the falls as a Father’s Day show.
Police took an hour to free the barrel wrapped with bulletproof (防弹的) material and covered in thick plastics, from rocks at the base of the falls.
Which of the following gives the correct relationship between Canada, Niagara Falls and Horseshoe Falls?
(N = Niagara Falls, H = Horseshoe Falls, C= Canada)
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Harriet Tubman was born a slave. She didn't get a 1 to go to school. 2 a child, she had to work very hard in the fields all day. In this 3 her master could 4 a lot of money when he 5 his crops. Harriet 6 think that she was being treated fairly. After Harriet grew up, she ran away from the farm to the northern states.
7 , and in Canada, black people were free. Harriet liked to be free, she felt 8 for all of the black people who were 9 slaves. Harriet returned to the south to help other slaves to run away. She made sure they got to 10 .
Harriet was in great 11 12 a law that had just been passed. The law 13 it was not permitted to 14 slaves run away. She also found out 15 the slave owners said they would pay $40,000 to anyone who could catch H. Tubman.
There were many stories about Harriet 16 slaves run away. In all, she made nineteen 17 back to the south and led about 300 slaves to freedom. When the Civil War broke out, the northern states 18 against the southern states. Harriet 19 the northern states because the northerners believed that slaves should be free. She worked as a nurse and spied 20 enemy lines until the northern states won the war.
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