[单项选择]Jordan has taken 5 math tests so far this semester. If he gets a 70 on his next test, it will lower the average (arithmetic mean) of his test scores by 4 points. What is his average now
A. 74B. 85C. 86D. 90E. 94

[单项选择]

Sally Kemmerer has, so far, escaped Northern California’s rolling blackouts.
But up on the roof for her Oakland home, workers are tapping into, perhaps, the most reliable power source, the sun. It could mean no more worries about blackouts or power rates.
Sally Kemmerer, homeowner says, "I hope that we’ll be able to zero out, you know, our electric bill. I mean that’s definitely our goal."
Turning the sun’s rays into electricity is, of course, nothing new.
But California’s power crisis has cast a new light on the technology.
Gary Gerber, a solar power contractor, says, "I might have been getting, say three phone calls a week a couple of months age. I’m getting six a day now, it’s completely crazy."
Alternative energy is even more attractive, thanks to a state rebate program. So far this month, California’s energy commission has received 200 project applications. Tha
A. 2400
B. 1200
C. 200
D. 3600

[单项选择]Our research has not shown us anything so far, so there is little （）to continue with it.
A. impatience
B. incentive
C. impulse
D. initiative

[填空题]Chaddha has so far funded the GSBF lamp project himself.

[单项选择]Our knowledge about agriculture has so far been ______ confined to books.
A. primarily
B. exclusively
C. repeatedly
D. undoubtedly

[单项选择]The organization has so far raised $2.5 million to finance bone ______ trans-plants for children.
A. marrow
B. moron
C. mussel
D. mire

[单项选择]The deadly bird flu so far has claimed a confirmed 18 lives in Vietnam and Thailand, though the suspected toll is higher at 23. Millions of birds have been culled across Asia in an effort to stop the spread of the disease. The U.N. health agency said that testing of virus material from a 23-year-old Vietnamese woman who died of the HSN1 avian flu virus showed no human transmission. The woman and her 30-year-old sister were confirmed victims of bird flu. Their brother died of a flu-like illness but because his body was cremated (焚化), there was no chance to test for the virus. "WHO has today received the results from a study of virus isolated from a 23-year-old woman who is part of a family cluster in Vietnam under investigation as the first possible instance of human-to-human transmission," the agency said in a statement posted on its Web site. "Virus genetic material from this woman, as for the other case in this cluster, is of avian origin and contains no human influenza genes," it sa
A. virus genetic material from this woman contains human influenza genes
B. the origin of the virus is from bird
C. the woman’s death is caused by her brother
D. the virus can be passed from one person to another