As free as they make us, mobile phones still need to stay close to a power source. Soon that may change with "green" power.
Three Chilean students got the idea for a plant-powered device(装置) to charge（使……充电） their cellphones, while sitting in their school's outdoor courtyard during a break from exams, with dead mobile phones. Then, one of them had an "aha" moment.
“It occurred to Camila to say about plants,”said inventor Evelyn Aravena. “‘Why don't you have a socket, if there are so many plants? ’After that, we thought, ‘why don't they have a charging outlet（插座）? Because there are so many plants and living things that have the potential to produce energy, why not?’”
Their invention—a small biological circuit called E-Kaia—uses the energy plants to produce during photosynthesis(光合作用). A plant uses only a small part of that energy and the rest goes into the soil, and that's where the E-Kaia collects it. The device plugs into the ground and then into your phone.
"It's the most amazing project I've ever seen in my life, plain and simple. They brought this original model, and it worked — and that's when it all changed, at least from my personal point of view and I began to support them." said Mauricio Cifuentes.
The device solved two problems for the engineering students — they needed an idea for a class project, and an outlet to plug in their phones.
"Looking for a place to charge the notebook, which had no power, and the mobile phones, we weren't able to find anything because all the other students were in the same state of madness trying to find a place to charge their devices," said Aravena.
But plants are everywhere, and the bio－circuit makes good use of their excess(过多的) power.
The E-Kaia doesn't carry much charge but it's powerful enough to completely recharge a mobile phone in less than two hours.
The student inventors have applied for patents（专利） on their technology, and expect the E-Kaia to go on sale in the near future.
1.How could the students get the "green" power idea?
A. By carrying out an experiment.
B. Just from an occasional thought.
C. With the support of their professors.
D. Inspired by the information in a science book.
2.The device collects power by using _____________.
A. photosynthesis
B. a small biological circuit
C. energy plants
D. the electricity stored in the device
3.What can we learn from what Mauricio Cifuentes said?
A. He intended to buy the patent.
B. He invented the original device.
C. He showed great interest in the device.
D. He wanted to produce the device in large numbers.
4.What might be the best title for the passage?
A. A New Device to Change the World
B. Green Power - A New and Potential Source
C. Chilean Students Find A Green Way to Charge Phones
D. A New Device Invented by Chilean Students Will Be on Sale
难度: 中等查看答案及解析
More then great drinks, great rewards
Enjoy all the benefits and more with your membership to our Loyalty Program!
Whenever you pay with your membership account, you’ll earn a Star.
Collect more Stars, earn more rewards.
Three ways to join us
Buy a Starbucks Card handy to create an account
Track your Stars online or through the mobile app, and we’ll send an email when you’ve earned a reward.
You can also join from your phone.
Download the Starbucks App.
One of the most exciting benefits of being member is using our mobile app to:
Pay for purchases; view your Stars and rewards; access iTunes; Pick of the Week, see current offers.
Or you can join with specially marked coffee purchased at the grocery store.
Enter your Starcode (limit 2 per day).
Look for the Starcode symbol on specially marked Starbucks products where you buy groceries.
Three levels with increasingly greater rewards
To reach each level in our Loyalty Program, you need to collect more Stars. (Remember, to earn a Star you must pay with a registered Starbucks Card.)
Welcome level
To earn your first rewards, just register a Starbucks Card.
Birthday drink or treat on us; birthday coupon (优惠券) for 15% off a purchase at StarbucksStore.com.
Green level
Collect 5 Stars within 12 months and you’ll be in the Green level.
●What is included in the Welcome level plus
◆Free in-store refills (续杯) on hot or iced brewed coffee or tea
Gold level
Collect 20 Stars within 12 months and you’re at the Gold level.
●What is included in the Green level plus
◆A free food or drink item after another 12 Stars earned
◆Personalized Gold Card
1.Which of the following is a way you can apply for membership?
A. To enter a Starcode from specially marked Starbucks products.
B. To buy a Starbucks Card over the phone.
C. To update the Starbucks App from the official website.
D. To buy a drink at a Starbucks on weekends.
2.With the Starbucks App, you can .
A. change the prices B. earn a Star
C. pay for rewards D. view current offers
3.With a Starbucks Card of Green level, you will get .
A. a free cake
B. personalized Green Card
C. free in-store refills
D. all purchases 15% off
难度: 中等查看答案及解析
I was never very neat, while my roommate Kate was extremely organized. Each of her objects had its place, but mine always hid somewhere. She even labeled(贴标签) everything. I always looked for everything. Over time, Kate got neater and I got messier. She would push my dirty clothing over, and I would lay my books on her tidy desk. We both got tired of each other.
War broke out one evening. Kate came into the room. Soon, I heard her screaming, "Take your shoes away! Why under my bed!" Deafened, I saw my shoes flying at me. I jumped to my feet and started yelling. She yelled back louder.
The room was filled with anger. We could not have stayed together for a single minute but for a phone call. Kate answered it. From her end of the conversation, I could tell right away her grandma was seriously ill. When she hung up, she quickly crawled(爬) under her covers, sobbing. Obviously, that was something she should not go through alone. All of a sudden, a warm feeling of sympathy rose up in my heart.
Slowly, I collected the pencils, took back the books, made my bed, cleaned the socks and swept the floor even on her side. I got so into my work that I even didn’t notice Kate had sat up. She was watching, her tears dried and her expression of disbelief. Then, she reached out her hands to grasp mine. I looked up into her eyes. She smiled at me, "Thanks."
Kate and I stayed roommates for the rest of the year. We didn’t always agree, but we learned the key to living together: giving in, cleaning up and holding on.
1.What made Kate so angry one evening?
A. She couldn't find her books. B. She heard the author shouting loud.
C. She got the news that her grandma was ill. D. She saw the author's shoes beneath her bed.
2.The author tidied up the room most probably because _____.
A. she was scared by Kate's anger B. she hated herself for being so messy
C. she wanted to show her care D. she was asked by Kate to do so
3.How is Paragraph 1 mainly developed?
A. By analyzing causes. B. By showing differences.
C. By describing a process. D. By following time order.
4.What might be the best title for the story?
A. My Friend Kate B. Hard Work Pays Off
C. How to Be Organized D. Learning to Be Roommates
难度: 中等查看答案及解析
Grey clouds move as low as smoke over the treetops at Lolo Pass. The ground is white. The day is June 10.It has been snowing for the past four days in the Bitterroot Mountains. Wayne Fairchild is getting worried about our trek over the Lolo Trail-95 miles from Lolo Montana to Weippe in Idaho, across the roughest country in the West. Lewis and Clark were nearly defeated 200 years ago by snowstorms on the Lolo. Today Fairchild is nervously checking the weather reports. He has agreed to take me across the toughest, middle section of the trail.
When Lewis climbed on top of Lemhi Pass,140 miles south of Missoula, on Aug.12,1805,he was astonished by what was in front of him; “high mountain chains still to the West of us with their tops partially covered with snow.” Nobody in what was then the US knew the Rocky Mountains existed, with peaks twice as high as anything in the Appalachians back East.
Today their pathway through those mountains holds more attraction than any other ground over which they traveled, for its raw wilderness is an evidence to the character of two cultures: the explorers who braved its hardships and the Native Americans who prize and conserve the path as a sacred (神圣的)gift. It remains today the same condition as when Lewis and Clark walked it.
The Lolo is passable only from July to mid-September. Our luck is holding with the weather, although the snow keeps getting deeper. As we climb to Indian Post Office, the highest point on the trail at 7,033 ft, we have covered 13 miles in soft snow, and we hardly have enough energy to make dinner. After a meal of chicken, I sit on a rock on top of the ridge (山脊）.There is no light visible in any direction, not even another campfire. For four days we do not see another human being. We are occupied with the things that mix fear with joy. In our imagination we have finally caught up with Lewis and Clark.
1.We learn from the text that before 1805 .
A. The Rocky Mountains were wholly covered with snow
B. there were no people living in the western part of America
C. no Americans knew of the existence of the Rocky Mountains
D. the Appalachians were the western frontier of the United States
2.We learn from the text that the Lolo Pass .
A. has changed a lot since 1805
B. is the meeting point of three cultures
C. remains much the same as it was 200 years ago
D. now attracts a large number of tourists to visit
3.Judging from the text, Lewis and Clark were most probably .
A. two native Indians
B. explorers of the early 19th century
C. merchants who did business with the Indians
D. travelers whose curiosity took them over the Lolo Pass
4.We can infer from the text that when crossing the Lolo Pass the author .
A. was attempting the impossible
B. was trying to set a world record
C. was following the trail of Lewis and Clark
D. was fighting with weather and taking unnecessary risks
难度: 中等查看答案及解析
Here are some ways parents can use to encourage a healthy self-image in their children.
Teach what real value is. I think kids sometimes are confused about values. How valuable you are is not measured by how pretty you are on the outside. 1. We were watching the Oscars and my 6-year-old son said, “She is so pretty,” and then quickly looked at me and said you are prettier, Mom.” And I said, “It’s okay. There are many people prettier than me on the outside. I know that’s not why you love me.” 2.
Tell your kids about “the grass is always greener” syndrome. It is very easy for all of us to see the charm, whether it is in a famous singer or the most popular girl in the school. Do not think too highly of famous people. 3. Maybe they have the same struggles, like wanting acceptance from peers.
4. Don’t be afraid to have conversations with your child about how they’re feeling about ads songs, etc. You are the parent! 5. Take a stand and have confidence enough not to be followers and not to purchase clothing, music, or magazines that you don’t believe send the right message to your children!
A. Use your mouth.
B. Be patient with your kids.
C. about what problems they might have.
D. It is important to teach children this from an early age.
E. Success is not measured by how famous you are, either.
F. Girls tend to like famous singers while boys prefer sports stars.
G In fact, kids of all ages want and need boundaries from you.
难度: 中等查看答案及解析
I had just started my second year studying at Cambridge University when I was faced with the news I had never expected. A lump in my neck ______ out to be cancer. I would ______ six months of chemotherapy (化疗).
After the shock, I was struck by this thought: my ______ didn’t have any room for cancer. I had so much I wanted to ______ and so many goals I wanted to chase.
I was faced with the ______ job of telling my friends and family. Then, I had to decide whether to ______ in Cambridge and take five exams at the end of the year. My doctor _______ against it, and so did my parents and teachers.
My doctors and teachers convinced me that taking some time off to _____ and relax would be the best thing for me. I could not think of anything ______. I did not want to ______ a year of my life, receiving pity from those around me.
Together with ray parents, I tried to persuade the university to _______ me to stay at Cambridge and study only half the course. At the end of the year I would take two exams. It was really a ______ to persuade them to agree.
Treatment began and I was up and down from Cambridge to London every other week. It made me feel ______, but to a much lesser degree than I had expected. I was _______ to read, eat and socialize exactly as I used to. I slept a lot and rested a lot, but I also worked hard at my studies. It gave me focus, and it also gave me purpose. Completing my ______ at the end of term felt like a great personal victory.
I took a ______ to continue studying while undergoing treatment, and it _______. I was successful in my exams, and more _______, I made a full recovery.
Every person facing a disease like cancer must make the ______ that are right for them. I am ______ that I made the decision that was right for me.
1.A. stuck B. came C. turned D. worked
2.A. require B. expect C. sense D. arrange
3.A. body B. memories C. family D. dreams
4.A. face B. achieve C. show D. understand
5.A. necessary B. temporary C. difficult D. disappointing
6.A. join B. treat C. settle D. continue
7.A. fought B. advised C. acted D. decided
8.A. recover B. exercise C. study D. play
9.A. better B. worse C. more D. less
10.A. save B. spend C. take D. miss
11.A. help B. remind C. allow D. invite
12.A. struggle B. failure C. burden D. trouble
13.A. tired B. relaxed C. confident D. nervous
14.A. afraid B. ready C. able D. eager
15.A. purpose B. projects C. treatment D. exams
16.A. rest B. risk C. privilege D. job
17.A. ended up B. passed on C. paid off D. broke out
18.A. clearly B. interestingly C. specifically D. importantly
19.A. choices B. changes C. efforts D. chances
20.A. surprised B. excited C. determined D. proud
难度: 中等查看答案及解析
阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
In Chinese culture, each year is related to 1.Chinese animal according to the 12-year cycle. 2018 is an Earth Dog Year. People born during the year of dog 2. ( believe) to take after some of the animal’s characteristics, such as loyalty, patience, and reliability.
Zodiac(黄道) theory also relates to Chinese elemental theory, 3.associates the 12 animals with one of five elements :metal, wood, water, fire, and earth. The five elements 4. (combine) with the 12 zodiac signs produce a 60-year cycle. Zodiac animals have both fixed and non-fixed elements attached 5.them. For example, the dog (as well as the dragon, ox, and goat) is always associated with the earth element. 6.the year of 2018 is considered an earth year according to the Chinese solar calendar, those born in 2018 are considered earth dogs, which carry characteristics like being communicative and responsible at work. Though dogs are 7. (general ) associated with earth, those born during the metal dog year are believed to be conservative and 8. (caution) in nature. As Dogs are not good at communication, it is difficult for them to convey their 9. ( think) to others. Therefore, Dogs tend to leave others with the impression that they have a stubborn 10.( personal) , but they are indeed loyal to their families and friends.
难度: 中等查看答案及解析
假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（∧）, 并在其下写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线, 并在该词下面写出修改后的词。
注意：1.每处错误及其修改均仅限一词；
2.只允许修改10处, 多者（从第11处起）不计分。
Have you ever been to Wuzhen? It is so beautiful a village that I had already visited it many times.
Locating in Jiaxing, Zhejiang province, it has a history of about 6,000 years. Like many small towns in the southern area, which has a lot of small bridges going through clean streams. Local people live in old houses, they are very friendly. During the day, you can walk or sit on a boat to enjoying the natural scenery along the stream. The scene at night is attractively as well. There are all kinds of round and square light. Every time I look at the pictures for which I took, I will remember the water, the bridges and the houses. I love an amazing water country!
难度: 中等查看答案及解析
假设你是学生李华，你的外国朋友Sam最近了解到中国的“新四大发明”，并对其中的手机支付（Alipay）非常感兴趣，他来信希望你能简单地向他介绍手机支付，并且谈谈你对手机支付的看法。请你用英语给他回信。
注意：1.词数100左右；
2.可以适当增加细节，以使行文连贯。
Dear Sam,
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
____________________________________________________________________________________________
___________________________________________________________________________
Yours,
Li Hua
难度: 中等查看答案及解析