前面是提干+后面是答案
1. the organization++brave
2.I will+++accept
3. i realized++fear
4. most people++refusal
5. she——s extremely++hardworking
6. the doctors++disclose
7. he tried++gather
8. the law++punishment
9. prisoners were++terrible
10. these products++poorer than
11. the political++wrosened
12. there was++coesisting
13. they——re++requesting
14. he said++unkind
15. we were++tempt
判斷：
Professional 答：right
Many Americans 答：right
剩下的均答： wrong
23. what profit
24 it is too large
25 whether they
26 as the difference
27 what the business
28
29 Economists have
30 and interest-and
閱讀理解：can you hear this
31 D、the design.
32 A、along.
33 A、achieve.
34 D、function.
35 A、sound.
SMART WINDOWS
41 D、他們讓我們想關(guān)于外面的世界.
42 B 、introduce a new aspect of a topic
43 D、can.
44 B、p5.
45 D、他能改變the voltage
完型填空：
51 threaten
52 expected
53 that
54 on
55：change
56;rate
57;drops
58:sucessfully
59;close
60：range
61: problem
62: effect
63: shade
64: tell
65:roles
Global warming could cook tropical insects, with unpredictable knock-on effects, say researchers who warn that rising temperatures also threaten tropical frogs, lizards and turtles.
Temperatures are expected to increase much faster in temperate and polar regions than in the tropics. But no-one had looked at how warming would affect insects and other cold-blooded animals that had evolved in tropical regions with little temperature variation.
Curtis Deutsch at the University of California at Los Angeles and colleagues analysed data on insect survival and reproduction for 38 species in different ecosystems, and then estimated how these values would change with predictions of climate change for the 21st century.
The team found that the reproductive rate of tropical insects tends to peak very close to the temperatures where they normally live, but drops sharply at higher temperatures. This means that cranking up the heat only a small amount can exert a heavy toll, leaving insects unable to reproduce fast enough to keep up their numbers.
Temperature tolerance
Temperate insects reproduce well over a broader range, and do not live as close to their thermal limit, so they can reproduce successfully when their climate warms more than in the tropics.
“Tropical insects do very well in a narrow band of temperatures, but move them above that range and they die,” says team member Josh Tewksbury of the University of Washington in Seattle.
Frogs, lizards and turtles face similar problems, although not as much data is available on their temperature tolerance, says Deutsch.
The heart of the problem is temperature tolerance. Temperate-zone insects have evolved to survive the much broader temperature swings of seasonal climates, than have their tropical relatives.
Important role
The effect appears worse for animals that live in hot stable climate of the lower levels of tropical forests. Lizards in clear areas can find shade to cool down, but those living in the forest are already in the shade, and there’s not much they can do to get cooler, Deutsch says.
Too few tropical insects have been studied so far to tell if any particular group will be particularly hard-hit, says Tewksbury. Insects play important roles in forest ecology, including pollination, and eating detritus to recycle carbon.
The team are now starting to evaluate how temperature affects ecological interactions of insects with other species, including crops such as African corn.
Journal reference: Proceedings of the National Academy of Sciences (DOI: 10.1073/pnas.0709472105)
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