23. Yaish holds that the rethinking about guilt comes from an awareness that .
[A] emotions are context-independent
[B] emotions are socially constructive
[C] emotional stability can benefit health
[D] an emotion can play opposing roles
24. Malti and others have shown that cooperation and sharing
[A] may help correct emotional deficiencies
[B] can result from either sympathy or guilt
[C] can bring about emotional satisfaction
[D] may be the outcome of impulsive acts
25. The word "transgressions" (Line 4, Para.5) is closest in meaning to
[A] teachings
[B] discussions
[C] restnct10ns
[D] wrongdoings
26. By saying "one of the harder challenges," the author implies that .
[A] global climate change may get out of control
[B] people may misunderstand global warn血g
[C] extreme weather conditions may arise
[D] forests may become a potential threat
27. To maintain forests as valuable "carbon sinks," we may need to .
[A] preserve the diversity of species in them
[B] accelerate the growth of young trees
[C] strike a balance among different plants
[D] lower their present carbon-absorbing capacity
28. California's Forest Carbon Plan endeavors to
[A] cultivate more drought-resistant trees
[B] reduce the density of some of its forests
[C] find more effective ways to kill insects
[D] restore its forests quickly after wildfires
29. What is essential to California's plan according to Paragraph 5?
[A] To handle the areas in serious danger first.
[B] To carry it out before the year of 2020.
[C] To perfect the emissions-permit auctions.
[D] To obtain enough financial support.
30. The author's attitude to California's plan can best be described as .
[A] ambiguous
[B] tolerant
[C] supportive
[D] cautious
31. What problem should be addressed according to the first two paragraphs?
[A] Discrimination against foreign workers in the U.S.
[B] Biased laws in favor of some American businesses.
[C] Flaws in U.S. immigration rules for farm workers.
[D] Decline of job opportunities in U.S. agriculture.
32. One trouble with U.S. agricultural workforce is .
[A] the rising number of illegal immigrants
[B] the high mobility of crop workers
[C] the lack of experienced laborers
[D] the aging of immigrant farm workers