Question

How do you light up the night sky? The answer is by using electricity. ______ did you know that nature can glow (發(fā)光), too?

Scientists have found many glowing creatures (生物). Most of them live in the ocean. Some use their lights to talk to each other. Others use them to hunt, to mate (交配) or to protect _____. The vampire squid (幽靈蛸), for example, uses a cloud of light to scare _____.

Scientists around the world are looking at this kind of light for new _____. In 2013, the US company Gleaux said it has created the world’s first light-producing plant, the Daily Mail reported. It is a genetically-modified (轉(zhuǎn)基因的) plant. It can glow like a firefly.

Alexander, the company’s founder (創(chuàng)始人), and other scientists hope that _____ the future, glowing plants could _____ lamps and glowing trees could line highways. Krichevsky also hopes the technology could be used in farming. Farmers could know when their crops need water or are ready to be _____ if they glow.

While Gleaux is working on glowing plants, the French company Glowee is trying to use glowing bacteria (細(xì)菌) to _____ up shop windows and street signs. It’s the same type of bacteria that cause a type of squid to light up. New Scientist Online reported.

“Our goal is to _____ the way we produce and use light,” said Glowee founder Sandra Rey. “We want to help ______ the 19 percent of electricity consumption (消耗量) that is used to produce light.”

1.A. And B. But C. Though

2.A. others B. me C. themselves

3.A. themselves B. friends C. enemies

4.A. ideas B. ways C. creatures

5.A. in B. on C. to

6.A. reduce B. increase C. replace

7.A. planted B. watered C. picked

8.A. put B. pull C. light

9.A. find B. learn C. change

10.A. increase B. reduce C. have

Answer 1