How do you light up the night sky? The answer is by using electricity. ______ did you know that nature can glow (发光), 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 (幽灵蛸), 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 (转基因的) plant. It can glow like a firefly.
Alexander, the company’s founder (创始人), 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 (细菌) 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
1.Where is the parking lot?
A. In front of the hotel. B. Across from the hotel. C. Behind the hotel.
2.How will the tourists go there?
A. By train. B. By bike. C. By bus.
3.What need the tourists show when they have lunch?
A. A blue card. B. A blue ticket. C. A blue key.
4.What season is it now?
A. Summer. B. Winter. C. Spring.
5.Which of the following is right?
A. The tourists will visit Mount Huang.
B. The tourists will have breakfast at eight.
C. The tourists will get on the bus in the parking lot.
听下面一段对话,回答以下小题。
1.What time is it now?
A. 7:15. B. 7:45. C. 8:15.
2.Why are the two speakers in a hurry?
A. Because they must catch the flight.
B. Because they may miss the train.
C. Because they have a very important meeting.
3.How will they get to the destination?
A. By bus. B. By train. C. By taxi.
4.What is the relationship between the two speakers?
A. Wife and husband. B. Friends. C. Student and teacher.
听下面一段对话,回答以下小题。
1.When was John reading the novel?
A. From 7:30 to 8:30. B. From 7:30 to 9:30. C. From 8:30 to 9:00.
2.What were his parents doing then?
A. Watching TV. B. Doing homework. C. Writing a letter.
3.Why didn’t the woman go into John’s house?
A. Because his door was closed.
B. Because her parents didn’t allow her to.
C. Because she was on the way to a move.
听下面一段对话,回答以下小题。
1.What does the woman want to buy at first?
A. A dress. B. A pair of trousers. C. A T-shirt.
2.What colour does the man like best?
A. Brown. B. Green. C. White.
3.What is the possible relationship between them?
A. Student and teacher. B. Wife and husband. C. Dad and daughter.
What is the woman going to do?
A. Go to work in a restaurant. B. Go to play table tennis. C. Have a picnic in a park.