试题

试题 试卷

logo

题型:阅读理解 题类:常考题 难易度:普通

江苏省常熟市2020-2021学年高二下学期英语期中考试试卷

阅读理解

Did you know roughly one third of food for human consumption goes to waste? Most of it is fresh fruit and vegetables that go bad. The produce dries out or goes bad, which has led scientists to develop ways of coating or sealing the food to keep it fresher for longer. Now research at Rice University reveals there might be a better way.

Scientists discovered that dipping produce like strawberries and bananas into an egg-based wash is remarkably good for preserving it. The coating is extremely thick, and made from a mixture of powdered egg whites and yolks (70%), and some wood-sourced cellulose to act as a barrier preventing water loss.

What the scientists found was that the egg wash made a significant difference in helping produce stay fresh over a two-week observation period. The appearance of the coated fruits and vegetables didn't change much, while the uncoated produce ripened and. even rotted within the same time frame. The egg-based coating, as it turned out, reduced each fruit's chance to get exposed to oxygen.

The non-poisonous coating was found to be flexible and tests showed that it was just as tough as other products, including synthetic films, used in produce packaging. For anyone with an egg allergy, the coating can be removed by thorough washing in water and is tasteless.

The scientists hope this could be a breakthrough in the fight against food waste. "Reducing food shortages in ways that are not related to genetic modification, uneatable coatings or chemical additives is important for better sustainable living ,"said materials scientist and study author Pulickel Ajayan.

What's great about this discovery is that it fights food waste in more than one way: even the coating was made from eggs that would otherwise have been discarded because they weren't fit for consumption. The researchers said roughly 200 million of US produced eggs go to waste annually. So if this were scaled up, it could be a win-win situation all around.

(1)、How does the egg-based wash help keep food fresh?
A、By limiting its oxygen exposure B、By making its coating less thick. C、By removing its cellulose slowly. D、By improving its absorbent ability
(2)、Why is Pulickel Ajayan mentioned in the text?
A、To stress the seriousness of food shortage. B、To offer the method of cutting food waste. C、To show the significance of the discovery. D、To give brief description of the research.
(3)、What does the underlined word "discarded" in the last paragraph probably mean?
A、Eaten up. B、Taken in. C、Picked out. D、Thrown away.
(4)、What is the text mainly about?
A、How to use eggs creatively. B、A new way to preserve food. C、How to recycle food waste. D、A breakthrough in technology.
举一反三
阅读理解

    A Samoan airline says that it is the world's first carrier to charge passengers by their weight. Samoa Air, which opened in 2012, asks passengers to give their personal weight during booking, which is then charged according to the length of a flight. The customers will also be weighed just before they board the plane.

    "It is believed that all people throughout the world are the same size," Samoa Air CEO Chris Langton said. "Airplanes always run on weight, not seats."

    "There is no doubt in my mind that this is the concept of the future. This is the fairest way of your travelling with your family or yourself."

    Though the airline introduced the plan last November, it caught people's attention last week when the carrier began international flights to neighboring American Samoa.

    Almost at the same time, a Norwegian economist, Bharat Bhatta, published a report suggesting that airlines should charge obese passengers more.

    The Pacific Islands contain some of the world's most common countries for obesity, many ranking in the top 10, according to the World Health Organization (WHO). Samoa is ranked number four, with 59.6 percent of the population considered obese, said the most recent WHO report.

    According to Samoa Air's latest schedule, the airline charges up to $0.57 per kg for flights in Samoa and $1.03 per kg for its only international flight to American Samoa, around 250 miles.

    Children under 12 are charged 75 percent of the adult rate, with fares also based on weight. Any overweight baggage is calculated at the same rate as the passenger's personal weight.

    The plan could actually prove cheaper in some cases, such as for families travelling with small children, and Langton said customer reaction has mainly been "amazingly positive".

    The idea of charging passengers by weight has been hotly discussed before, and in the US some airlines require those who do not fit into a seat comfortably to buy a second seat.

阅读理解

Chanukah Festival

    Activities for kids of all ages

    Sunday, December 17    9:00 am—4:00 pm

    Join us on December 17th, 2017 (2nd day of Hanukkah) for our annual Hanukkah Family Fun Fest for an exciting day of fun activities for the whole family. The Hazimir Choir will provide holiday musical entertainment. Drum Tales will present “The Hearty Story of Hanukkah” show. There will be ceramic (陶瓷) painting, menorahs (烛台) , and other Hanukkah items for the kids. And fun foods, crafts and activities will be happening throughout the day. Bring the whole family and enjoy a fun-filled day!

    11:30— Jolly Follies puppet show Ages 2-12

    A fun Muppet (提线木偶) style musical holiday story followed by a Hanukkah sing a song featuring the “Chipmunks” and other favorite characters.  Adult: $7   Child $ 5

    1:30—Hazamir Teen Choir

    Sponsored by the Berman and Lerner families in memory of Cantor Moses L. Snyder.

    3:15—Drum Tales presents The Hearty Story of Hanukkah

    Drum Tales is fun, interactive percussive (打击乐) and musical. It is much like the traditional drum circle concept. It combines storytelling, musical instrumentation and song. Each participant is given a percussive instrument which becomes their media of transportation to faraway lands and exotic (异国情调的) places, to ride the waves of mystery of an unfolding plot, and into the deep realm of imagination and the colorful beyond. Drumming, rhyming, rapping, clinking, shaking and clapping, this performance will leave you feeling refreshed after having returned from a journey through these stories!  Adults $ 7   Child $ 5

    Plus food and fun for the entire family

    Crafts with BBYO and Young Judea

    Ceramic painting with Jack and Jill

    T-Shirt fun with Computer Adventures

    Fun with Cyber - Connection

    Vendors

    Special visit by “Chanukah Bubby”

阅读理解

    The arm bones of women who lived 7,000 years ago show a surprising level of strength-even higher than today's professional athletes. that's according to a first-ever study comparing prehistoric(史前的) bones to those of living people. The finding suggests a revision of history- the everyday lives of prehistoric women were filled with hard labor, rather than just sitting at home doing lighter tasks while the men struggled and fought for life.

    Before the study, there are no clear records describing how our ancient ancestors lived. It can be easy to forget that bone is a living tissue, one that responds to the difficulties we put our bodies through, "said lead author Alison Macintosh."Physical force and muscle activity both put pressure on the bone. The bone reacts by changing in shape, thickness and other aspects over time.

    Previous studies only compared female bones to contemporary male bones, the researchers said-and that's a problem, because the response of male bones to stress and change is much bigger than that of women. For instance, as humans moved from a hunter-gatherer lifestyle constantly on the move to a more settled agrarian(农耕的) one, changes can be observed in the structure of the shinbone(胫骨)- and these changes were much more evident in men.

    However, a comparison of the bones of prehistoric women to the bones of living female athletes can help us work out a more accurate picture of what those prehistoric women were doing. "By analyzing the bones of living people and comparing them to the ancient bones, we can start to explain the kinds of labor our ancestors were reforming, Macintosh said. What they found was that women's leg strength hasn't changed a great deal, but their arms used to be very powerful. Prehistoric women, the researchers found, had arm strength 11-16 percent stronger than those of modern rowers, and 30 percent stronger than those of non-athletes.

阅读理解

    At a comedy night at Johns Hopkins Univerity in Maryland, members of the school's comedy(喜剧) club bring lots of laughter to their classmates with funny speeches and humorous body movements. These college student comedian's humour entertains busy, young people and eases their stress.

    Yet the club member Arella Shua says comedy is serious work. Every comedy starts as an individual project-- each member writes their own material. Then they try it out in weekly club meetings where all club members read the material, going joke by joke and seeing what works and what doesnt. Nothing unsatisfactory will be compromised(妥协). In this way comes a satisfying comedy.

    Ariella joined the club last year. Now she does not go anywhere without bringing something on which she can take notes. "Whenever I just have a thought in my head or when I see something or overhear someone saying something in the library, I just put it down, "Arielae explained. "when I'm trying to write my own set, I go through that……to see if there is anything in there that I can use."

    Club president Nicholas Scandura finds writng one of the many skills he has developed since joining the club."Writing jokes takes a lot of critical thinking." he said. The club gives its members a sense of community. When they meet, they share funny experiences. tell jokes and laugh.

    Harry Kuperstein discovered the club was a natural fit. Noticing the funny qualities of different situations improved his way of looking at the world. Becoming an active member also helped him work on the future skills he'll need as a medical doctor. "Having jokes ready to go might help smooth these interactions and make you a better public speaker, " he said.

返回首页

试题篮