题目内容

【题目】By the mid-nineteenth century, the term “icebox” had entered the American language, but ice was still only beginning to affect the diet of ordinary citizens in the United States. The ice trade grew with the growth of cities. Ice was used in hotels, pubs, and hospitals, and by some forward-looking city dealers in fresh meat, fresh fish, and butler. After the Civil War (1861-1865), as ice was used to refrigerate freight cars(货车), it also came into household use. Even before 1880, half the ice sold in New York, Philadelphia, and Baltimore, and one-third of that sold in Boston and Chicago, went to families for their own use. This had become possible because a new household convenience, the icebox, a precursor(前身)of the modem refrigerator, had been invented.

Making an efficient icebox was not as easy as we might now suppose. In the early nineteenth century, the knowledge of the physics of heat, which was essential to a science of refrigeration, was undeveloped. The common belief that the best icebox was one that prevented the ice from melting was of course mistaken, for it was the melting of the ice that performed the cooling. Nevertheless, early efforts to economize ice included wrapping the ice in blankets, which kept the ice from doing its job. Not until near the end of the nineteenth century did inventors achieve the delicate balance of insulation(绝缘) and circulation needed for an efficient icebox.

But as early as 1803, an intelligent Maryland farmer, Thomas Moore, had been on the right track. He owned a farm about twenty miles outside the city of Washington, for which the village of Georgetown was the market center. When he used an icebox of his own design to transport his butter to market, he found that customers would pass up the rapidly melting butter of his competitors to pay an extra price for his butter, still fresh and hard in neat, one-pound bricks. One advantage of his icebox, Moore explained, was that fanners would no longer have to travel to market at night in order to keep their produce cool.

1When did the word “icebox” possibly become part of the American language?

A. In 1803. B. During the Civil War.

C. Sometime before 1850. D. Near the end of the 19th century.

2In the early 19th century, what made it difficult to develop an efficient icebox?

A. A lack of networks for the transportation of ice.

B. Lacking the knowledge of the physics of heat.

C. Not knowing how to prevent ice from melting quickly.

D. Competition among the owners of refrigerated freight cars.

3What does the underlined sentence in paragraph3 most probably mean?

A. Moore's farm was not far away from Washington.

B. Moore's farm was on the right of the road.

C. Moore was suitable for the job.

D. Moore's design was fairly successful.

4What's the passage mainly about?

A. The development of refrigeration.

B. The influence of ice on the diet.

C. The transportation of goods to market.

D. Sources of ice in the nineteenth century.

【答案】

1C

2B

3D

4A

【解析】文章介绍了冰箱的发展历史。

1C

推理判断题。根据第一段第一句By the mid-nineteenth century, the term “icebox” had entered the American language可知,“icebox”变成美国语言的一部分可能是1850年以前的某个时候。故选C。

2B

细节理解题。根据第二段第一、二句Making an efficient icebox was not as easy as we might now suppose. In the early nineteenth century, the knowledge of the physics of heat, which was essential to a science of refrigeration, was undeveloped.可知缺乏对热物理学的了解使它很难建立一个高效的冰箱故选B。

3D

词义猜测题根据最后一段最后一句One advantage of his icebox, Moore explained, was that fanners would no longer have to travel to market at night in order to keep their produce cool.可知Moore设计的冰箱相当成功。可知答案为D。

4A

主旨大意题纵观全文,文章介绍了冰箱的发展历史。故选A。

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相关题目

【题目】Women are friendly. But men are more competitive. Why? Researchers have found it’s all down to the hormone oxytocin(荷尔蒙催生素). Although known as the love hormone, it affects the sexes differently.

“Women tend to be social in their behavior. They often share with others. But men tend to be competitive. They are trying to improve their social status,” said Professor Ryan.

Generally, people believe that the hormone oxytocin is let out in our body in various social situations and our body creates a large amount of it during positive social interactions such as falling in love or giving birth.

But in a previous experiment Professor Ryan found that the hormone is also let out in our body during negative social interactions such as envy.

Further researches showed that in men the hormone oxytocin improves the ability to recognize competitive relationships, but in women it raises the ability to recognize friendship.

Professor Ryan’s recent experiment used 62 men and women aged 20 to 37. Half of the participants received oxytocin. The other half received placebo(安慰剂).

After a week, the two groups switched with participants. They went through the same procedure with the other material.

Following each treatment, they were shown some video pictures with different social interactions. Then they were asked to analyze the relationships by answering some questions. The questions were about telling friendship from competition. And their answers should be based on gestures, body language and facial expressions.

The results indicated that, after treatment with oxytocin, men’s ability to correctly recognize competitive relationships improved, but in women it was the ability to correctly recognize friendship that got better.

Professor Ryan thus concluded: “Our experiment proves that the hormone oxytocin can raise people’s abilities to better distinguish different social interactions. And the behavior differences between men and women are caused by biological factor(因素)that are mainly hormonal.”

【1】Which of the following causes men and women to behave differently ?

A.Social situations. B. The social status.

C.Placebo.D. Biological factors.

2What can we learn from Professor Ryan’s previous experiment?

A. Oxytocin affects our behavior in a different way.

B. During the experiment the participants received different materials

C. Our body produces oxytocin when we feel unhappy about others’ success.

D. Oxytocin improves our abilities to understand people’s behavior differences.

3 Professor Ryan conducted the recent experiment______.

A. by using 144 participants in total.

B. after a week conducted a previous experiment.

C. To test the effect of oxytocin on the ability to recognize social interactions.

D. to test the hormone oxytocin is let out in our body in various social situations

4 Where does this text probably come from?

A. A newspaper advertisement.

B. A science magazine.

C. Science fiction.

D. A news report.

【题目】阅读下列短文,从每题所给的四个选项(A,B,C和D)中,选出最佳选项。
Millions of Americans return from long-distance trips by air, but their luggage doesn’t always come home with them. Airline identification tags(标签) can come loose, and the bags go who-knows-where. And passengers leave all kinds of things on planes.
The airlines collect the items and, for 90 days, attempt to find their owners. They don’t keep them, since they’re not in the warehouse business. And by law, the y cannot sell the bags, because the airlines might be tempted to deliberately misplace luggage.
So once insurance companies have paid for lost bags and their contents, and they no longer belong to passengers, a unique store in the little town of Scottsboro, Alabama, buys them. The “Unclaimed Baggage Center,” is so popular that the building, which is set up like a department store, is the number-one tourist attraction in all of Alabama. More than one million visitors stop in each year and take one of the store’s shopping carts on a hunt for treasures.
Each day, clerks bring out 7,000 new items, and veteran(老练的)shoppers rush to paw over them. You can find everything from precious jewels to hockey sticks, best-selling novels, leather jackets, tape recorders, surfboards, even half -used tubes of toothpaste.
The store’s own laundry washes or cleans all the clothes found in luggage, then sells them. The Unclaimed Baggage Center has found guns, illegal drugs and even a live rattlesnake.
The store has a little museum where some of its most unusual acquisitions(获得物) have been preserved. They include highland bagpipes, a burial mask from an Egyptian pharaoh's tomb, and a medieval suit of armor.
Statistics indicate that less than one-half of one percent of luggage checked on U.S. carriers is permanently lost and available to the store.
(1)Paragraph1 shows that many passengers lose their luggage because______.
A.they are forg etful
B.they are in a hurry
C.there is no lost and found office in many airports
D.the owners of some luggage can’t be identified
(2)The reason why the airlines cannot sell the bags is that ______.
A.they have to find the owners
B.they are likely to make a profit on the bags on purpose
C.some bags are expensive
D.they have to keep the bags as long as possible
(3)The Unclaimed Baggage Center is very popular because______.
A.there's a large variety of goods.
B.all the things there are very cheap.
C.visitors may purchase something undervalued.
D.Visitors will enjoy some amusing activities there.
(4)What can we infer from the passage?
A.A little museum will keep all the precious unclaimed baggage.
B.The percentage of passengers who lose their baggage for ever is small.
C.The things in the Unclaimed Baggage Center are articles for daily use.
D.People are not allowed to buy the illegal things in the store.
(5)What is the main purpose of the passage?
A.To introduce how the unclaimed baggage in the airports is handled in America.
B.To introduce an attractive place to tourists.
C.To remind passengers of taking care of their baggage.
D.To advise the airlines to find the owners of the unclaimed baggage.

【题目】阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。 Imagine looking f or your lost dog. You step into a cave. But instead of the dog, you find beautiful cave paintings. You see paintings of horses, deer, and bison drawn in black, brown, red and yellow. Your first question would probably be“Who did this? ”
This is what happened to four French boys in 1940. They found the Lascaux caves. The paintings the boys discovered in those caves are about 17, 000 years old. They were drawn by the ancient people called Cro-Magnon(克鲁马努人).
Cro-Magnons looked much like people of today. They used tools, such as fishing nets. But their art was extremely good. The main cave at Lascaux is called Great Hall of Bulls, which has a picture of bulls and horses in many colours. The largest animal is 18 feet long. There are smaller animals, such as bison, stags and a bear. There is also a strange spotted two-horned(两只角的)animal.
To the left of the main cave are the most famous paintings that are the drawings of animals in many different colours. One painting is called Little Horses. On the ceiling are horses and cows. The most unusual sight may be in the Shaft of the Dead Man where there is a rhinoceros, a carefully drawn dead man, an injured bison and a bird.
Why did Cro-Magnon artists do these beautiful drawings on cave walls? Did the drawings call upon some magic power? Did the Cro-Magnon people hope that the drawings would bring good luck? There is one thing the paintings seem to tell us. The Cro-Magnons were interested in the world. They looked at beauty and they understood it.
(1)The author uses the word“you”in Paragraph 1 to_________.
A.attract readers’ attention
B.make it clear that this is a true story
C.give readers good directions to find the caves
D.compare modern people wit h Cro-Magnon people
(2)Most of the drawings in the caves are about_________.
A.boys
B.tools
C.humans
D.animals
(3)What does the passage mainly tell us?
A.Cave paintings are beautiful.
B.Who found the beautiful cave paintings.
C.The Lascaux caves hold colourful ancient paintings.
D.Drawings of horses are on the walls of the Lascaux cav es.
(4)The passage is most probably taken from_________.
A.a research paper
B.a cultural magazine
C.a science newspaper
D.a travel guide

【题目】Tips to fight summer weight gain

When we think of summer, most of us think of outdoor fun. So it seems like we should naturally lose weight over the summernot gain it. 1 Lots of summer activities can work against our efforts to stay at a healthy weight. The good news is that it’s easy to avoid problems if we know what to look out for.

Get going with goals. When we don’t have a plan, it’s easy to spend summer moving from couch to computer, with regular stops at the fridge. 2 Just be sure to plan for some downtime so you can relax a little!

3 With school out, we lose our daily routines. If you don’t have a specific job or activity to get up for, it’s easy to sleep late, watch too much TV, and snack more than usual. Make sure your summer days have some structure — like getting up at the same time each day and eating meals at set times. Plan activities for specific times, like exercising before breakfast, for example. If you have time on your hands, offer to make dinner a couple of nights a week so your family can enjoy a sit-down meal together.

Think about what and how you eat. Summer means picnics and barbecues — activities that revolve around an unlimited spread of food. Pace yourself. Don’t overload your plate. Avoid going back for seconds and thirds. Choose seasonal, healthy foods like fresh fruit instead of high-sugar, high-fat desserts. 4

Stay busy. 5 In addition to helping you avoid the cookie jar, filling your days with stuff to do can give you a sense of accomplishment. That’s especially true if a dream summer job or planned activity fell through. Limit your screen time — including TV, computer, and video games — to no more than 2 hours a day.

A. Stick to a schedule.

B. Plan more activities.

C. Appropriate summer eating sets you up on the right track!

D. Most of us, however, don’t take summer weight gain seriously.

E. In reality, though, summer isn’t all about beach volleyball and water sports.

F. When we’re bored, it’s easy to fall into a trap of doing nothing and then feeling low on energy.

G. Avoid this by setting a specific aim, like volunteering, mastering a new skill, or working at a job.

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