C1 Reading and Use of English Part 1 (Game 1)

Zachos´ research into the deep ocean _______ suggests at this time that about 4.5 billion tons o{ carbon entered the atmosphere over 10,000 years.

A study comparing the rate at which carbon dioxide and methane are being _______ now, 55 has found dramatic differences in the speed of release.

Zachos is a leading ______ on the episode of global warming known as the palaeocene-eocene thermal maximum.

Other transformations in the retail business are ______ to follow the trend of Amazon.

James Zachos, a professor in Santa Cruz California, said the speed of the present buildup of greenhouse gases is far greater than during the global warming after the ______ of the dinosaurs.

Zachos warned that studies of global warming events in the geological past _______ we are reaching dangerous new levels.

There can be no ______ that online shopping is of huge benefit to the consumer.

Far from becoming ______ online shoppers are very demanding.

During America's last Thanksgiving weekend, Amazon's sales of consumer electronics in the United States ________ its book sales for the first time in its history.

If customers are disappointed, a few _____ of the mouse will take them to places where they can let the world know.

Online shoppers now read not only the sales _______ but also reviews from previous purchasers.

"This will be the same amount of carbon released into the atmosphere from cars and industrial emissions over the next 300 years if present ____ continue", Zachos said.

Amazon is swiftly becoming a ______ retailer by letting other companies sell products on its site.

It seems the Earth's climate passes a _______ beyond which climate change accelerates with the help of positive feedbacks - vicious circles of warming.

The ocean is capable of removing carbon, and quickly, but this natural _____ can be too much.

The ocean is capable of removing carbon, and quickly, but this natural process can be easily ______.

Online traders must also adjust. Amazon, for one, is ______ turning from being primarily a bookseller to the go to shop for everything.

The stores run by Sony and Apple, for instance, are there for people to try out _______ and to ask questions to knowledgeable staff.

Smarter consumers know which products have a good _______ and which do not.

Greenhouse gases are being released into the atmosphere 30 times faster than the time when the Earth experienced a ______ episode of global warming.