Free energy is everywhere around us. There are many ways to make and collect energy from various sources like sun, wind and water. People also realize that everyday stuff can be a source of energy too. For example, riding a bike, running or just walking, etc. We simply have to change our way of thinking if we want to change the world.
So comes the idea of solar roadways. Are they the road of future? Why use roads just for driving and collecting tolls (过路费)? Why don’t we use them for collecting energy?
The US Department of Transportation recently awarded $100,000 to Solar Roadways to build the first ever Solar Road Panel. So how do these future roads work?
The Solar Road Panels will contain embedded (嵌入的) LEDs which “paint” the road lines from beneath to provide safer nighttime driving as well as to give drivers instant instructions such as detour (绕行) ahead. The road will be able to sense wildlife on the road and can warn drivers to “slow down”. There will also be embedded heating elements in the surface to prevent snow and ice buildup, providing safer winter driving.
Replacing asphalt (沥青) roads and parking lots with Solar Roadway Panels will be a major step toward stopping climate change. Fully electric vehicles will be able to recharge along the roadway and in parking lots, finally making electric cars practical for long trips.
We just can’t wait to see more of these roads all over the world in the near future.
1.The first paragraph serves as a(n)______.
A. argument B. comment C. explanation D. background
2.Which of the following is NOT true of LEDs?
A. They color the road lines.
B. They are embedded in the Solar Road Panels.
C. They are beneficial for nighttime driving.
D. They can provide instant instructions.
3. When some animals are on the solar road, what will the road do?
A. Guide them to a safer place. B. Remind drivers to drive slowly.
C. Frighten them away from the road. D. Advise drivers to choose another way.
4. From the text, we can know that the Solar Road Panels can______.
A. provide heat for drivers in winter
B. guide drivers who get lost on the highway
C. melt snow and ice soon in winter
D. help drivers see the road clearly in the sun
Mom noticed that something was wrong when I started getting so thirsty, I’d have a lot to drink before bed, which was unusual for me. One time, I opened a big container of apple juice and kept refilling my glass. Before I knew it, I’d drunk the entire container! My mom call my doctor. I then had a few blood tests, and the results were certain ------ I had diabetes, which meant that the amount of sugar in my blood was very high. That can be dangerous, so I had to learn how to control my blood-sugar level.
My eating habits had to change in a big way. With diabetes, I can’t eat a lot of sugar or carbohydrates. I have to figure out exactly how much sugar I plan to eat, and then I get an injection of insulin before the meals to help my body process the food. Also, I test my blood-sugar level often. I’m always trying to keep my blood sugar at a healthy level. The level can drop when I exercise, but that doesn’t keep me out of gym class or off the basketball court ------ I just keep some juice boxes around to boost my blood sugar if I need to.
It’s a lot of work ------ and not a lot of fun ------ to keep track of everything, but I’ve gotten used to my new habits. I was a little scared at first because I wasn’t sure how my life would change. Once I knew what I needed to do, though, it wasn’t a big deal. My life is different now from what it was before, but it has become completely regular to me.
1.The first paragraph is mainly about ______.
A. who found the author had diabetes
B. the author’s life before having diabetes
C. how the author was found to have diabetes
D. the author’s eating habits before having diabetes
2.The insulin injected into the body before the meals can ______.
A. change people’s eating habit B. help process the food
C. hasten the growth of organs D. prevent high blood level
3.What did the author do after knowing she had diabetes?
A. She stopped playing basketball in the gym.
B. She controlled her blood-sugar level strictly.
C. She stopped eating food with natural sugar.
D. She tested her blood-sugar level before every meal.
4.What does the underlined word “boost” in Paragraph 2 mean?
A. Increase. B. Control. C. Absorb. D. Test.
5. What’s the author’s attitude towards her having diabetes now？
A. Worried. B. Frightened. C. Pessimistic. D. Positive.
A friend of mine met with an accident driving in the darkness. His legs were so hurt that he couldn’t 36 .What was worse was that he found himself unable to ask for help—his mobile phone didn’t 37 . Nothing could be done but 38 in cold wilderness. It was 8 hours later that day broke, and then the 39 of the rescue.
It is almost 40 that he could stand the horror in the darkness for so long. Even more surprising was his 41 , “First of all I checked up on my physical 42 and found myself not in fatal(致命的) danger. Finding no 43 to call for help, I leaned back to try my best to keep the wound from 44 . In this way I fell asleep.
This 45 me of another story: A group of young men 46 to explore a mountain cave and got lost. 47 to find a way out in the dark cave they were 48 and ran anxiously without a sense of 49 . Finally they fell dead in fear and exhaustion. According to the 50 people that found them, the place where they got lost was only about 10 meters away from the 51 of the cave. If they stayed where they got lost and tried to 52 themselves, they would probably 53 a small light glimmering(闪烁) not far away.
We can compare it with our 54 itself. Sometimes when we meet with difficulties in life, we feel lost in the darkness. If it is unclear, you needn’t put up a struggle 55 . Remember: CALM DOWN!
1.A. recover B. move C. escape D. shout
2. A. control B. operate C. ring D. work
3. A. cry B. lie C. wait D. sleep
4.A. failure B. success C. team D. arrival
5.A. untrue B. unbelievable C. reasonable D. strange
6.A. conclusion B. decision C. explanation D. bravery
7.A. conditions B. situations C. signs D. cases
8. A. method B. way C. road D. approach
9.A. paining B. spreading C. hurting D. bleeding
10.A. reminds B. informs C. demands D. tells
11. A. had B. managed C. tried D. planned
12.A. Unwilling B. Unable C. Determined D. Deciding
13.A. frightened B. surprised C. excited D. disappointed
14.A. hearing B. sight C. touch D. direction
15. A. rescue B. village C. local D. brave
16.A. end B. top C. opening D. door
17.A. save B. help C. check D. calm
18.A. look B. sense C. catch D. realize
19.A. adventure B. accident C. life D. experience
20.A. really B. immediately C. carefully D. certainly
Three college students were accused ______ causing the accident on purpose and sentenced to two years in prison.
A. of B. with C. for D. as
I live in a faraway village, and only go to visit my parents ______.
A. anxiously B. immediately C. occasionally D. practically
The reform project ______ by Mr. White ______ at the meeting now.
A. put forward, is discussed B. has been put forward, is being discussed
C. is put forward, is discussed D. put forward, is being discussed
