alert to the negative implications associated with the use of biofuels.

criticize the environmental impact derived from corn production.

explain why fossil fuels emit far more greenhouse gases than biofuels.

justify why governments should not encourage the use of biofuels from waste products.

list all kinds of biofuels that have been used to substitute fossil fuels.

suggests the use of recycled cooking oil as an alternative to ethanol from grass or wood.

measures the amount of greenhouse gases produced by the burning of a fuel.

represents an effort to define the crops that are less damaging to the environment.

assumes that waste products are the best source of biofuels.

considers the overall impact of fuels, examining, for example, how it affects farmlands and biodiversity.

“themselves” (line 4) - “experts” (line 3).

“they” (line 4) - “greenhouse gases” (line 4).

“those” (line 27) - “biofuels” (line 26).

“This” (line 33) - “growing soy” (line 32).

“which” (line 34) - “prices” (line 34).

blame modern businessmen for being offline during meetings.

introduce new trends in the market concerning email software.

convince businessmen of the advantages of working online on weekends.

advertise modern technological devices that are expected to revolutionize the world.

report on some effective alternatives to avoid the information burden at the workplace.

Holding meetings with his staff of fifty people.

Avoiding copying everybody when sending out an e-mail.

Calling clients on the phone and not relying so heavily on e-mail.

Checking his e-mail account only twice a day and turning off his Blackberry during meetings.

Responding to e-mails every minute and putting cell phones and PDAs on silent mode during meetings.

Can you get a handle on what your new boss expects of you?

Customers are asked not to handle the goods in the shop.

The clue was a handle for solving the mystery.

The travelers were advised to pick up the suitcases by the handle.

It was a difficult situation and the manager handled it very well.

an excess of emails has generated a sudden increase in productivity.

cell phones, PDAs and laptops have become excessively complex devices.

excessive e-mails and data overload have begun to negatively impact work.

offices have become more efficient due to e-mail and other information technology advents.

data avalanche has been a fortunate consequence of the widespread adoption of information technology.

at risk - disconnected

not accessible - put off

on the wire - linked to the internet

in tune with new ideas - off the hook

over the telephone - not connected to the internet

society as a whole lacks experienced professionals capable of detaining the information growth.

professionals feel burdened by the present data overflow because they have not learned how to deal with this new business scenario.

future professionals are properly trained in college and are given enough practice in dealing with digital communication tools.

businessmen are on the verge of a crisis as they have to learn to deal with an excess of tools and training methods to intensify the information burden.

businessmen have avoided the information overload in order to stop working on weekends.