[单项选择]Danis Hayes raised the essential paradox and asked how people could have fought so hard against environmental degradation ______ themselves now on the verge of losing the war.
A. only found
B. finding only
C. only to find
D. have only found

[单项选择]Danis Hayes raised the essential paradox and asked how people could have fought so hard against environmental degradation ______ themselves now on the verge of losing the war.
A. only found
B. finding only
C. only to find
D. have only found

[单项选择]

Text 3
Scientists Johan Feenstra and Rob Hayes think they’ve figured out how a process called electrowetting can make paper that can do anything a videoscreen does. So far, though, all they’ve got to show for their efforts is a tiny piece of e-paper one centimeter square--only 225 pixels, or picture elements. That won’t be nearly enough for headlines and news videos. The only hint of the technology’s potential is a laptop presentation the inventors have set up. It features Professor Shape, Harry Potter’s teacher, holding an electronic newspaper with an embedded video clip. "That’s what we want," says Hayes.
They’re likely to get it. Late last month in Tokyo, Sony took an important leap in this direction by introducing Librie, an e-book reader. Although it’s available only in black and white, Librie has the most important characteristic of paper: it reflects natural light. That means it can be read on
A. the back-lit displays is already sophisticated.
B. the Philip's display has the latest E-Ink technology.
C. Gyricon Media has rotating balls technology.
D. the technology barrier is about to be removed.

[单项选择]

Text 3 Scientists Johan Feenstra and Rob Hayes think they’ve figured out how a process called electrowetting can make paper that can do anything a videoscreen does. So far, though, all they’ve got to show for their efforts is a tiny piece of e-paper one centimeter square--only 225 pixels, or picture elements. That won’t be nearly enough for headlines and news videos. The only hint of the technology’s potential is a laptop presentation the inventors have set up. It features Professor Shape, Harry Potter’s teacher, holding an electronic newspaper with an embedded video clip. "That’s what we want," says Hayes. They’re likely to get it. Late last month in Tokyo, Sony took an important leap in this direction by introducing Librie, an e-book reader. Although it’s available only in black and white, Librie has the most important characteristic of paper: it reflects natural light. That means it can be read on sunny days or v
A. will soon be commercialized and within reach.
B. will be printed on paper with E-Ink.
C. will replace the traditional paper.
D. will be made of plastic layer instead of glass.