[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]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

[单项选择]Eve has been in the Far East for
A. the last two months.
B. the last two weeks.
C. the last three weeks.

[简答题]Thus far, our holiday has been simply a friendly sign of the survival of the love of letters amongst a people too busy to give to letters any more. As such it is precious as the sign of an indestructible instinct. Perhaps the time is already come when it ought to be, and will be, something else; when the sluggard intellect of this continent will look from under its iron lids and fill the postponed expectation of the world with something better than the exertions of mechanical skill. Our day of dependence, our long apprenticeship to the learning of other lands draws to a close. The millions that around us are rushing into life cannot always be fed on the mere remains of foreign harvests. Events, actions arise, that must be sung, that will sing themselves. Who can doubt that poetry will revive lead in a new age, as the star in the constellation Harp, which now flames in our zenith, astronomers announce, shall one day be the polestar for a thousand years

[填空题]So far, the gender gap has been a decisive factor in U.S. politics.

[单项选择]Eve has been in the Far East for
A. the last two months.
B. the last two weeks.
C. the last three weeks.

[填空题]So far no (conclude)（）has been arrived at.

[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]About how long has the company been operating
A. 7 years
B. 20 years
C. 50 years
D. 70 years