45. Which best describes the writer's tone in the passage?
(A) Approving.
(B) Concerned.
(C) Enthusiastic.
(D) Doubtful.

41. Easter (复活节) is still a great day for worship, candy in baskets and running around the yard finding eggs, but every year it gets quite a bit worse for bunnies. And no, not because the kids like to pull their ears. The culprit is climate change, and some researchers found that rising temperatures are having harmful effects on at least five species of rabbit in the US, Take the Lower Keys Marsh rabbit, for instance. An endangered species that lives in the Lower Florida Keys, this species of cottontail is a great swimmer -- it lives on the islands! -- but it is already severely affected by development and now by rising sea levels. According to the Center for Biological Diversity, an ocean level rise of only 0.6 meters will send these ~ys jumping to higher ground and a 0.9-meter rise would wipe out their habitat (栖息地) completely. The snowshoe hare, on the other hand, has a color issue. Most of these rabbits change their fur color from white in the wintertime to brown in the summer, each designed to give them better cover from predators (~I~') ~ As the number of days with snow decreases all across the country, however, more and more bunnies are being left in white fur during brown dirt days of both fall and spring, making them an easier mark for predators. Researchers know that the color change is controlled by the number of hours of sunlight, but whether the rabbit will be able to adapt quick enough to survive is a big question. The National Wildlife Federation has reported that hunters have noticed their numbers are already markedly down. American pikas or rock rabbits, a relative of rabbits and hares, might be the first of these species to go extinct due to climate change. About 7-8 inches long, pikas live high in the cool. damp mountains west of the Rocky Mountains. As global temperatures rise, they would naturally migrate (J~2~) to higher ground -- but they already occupy the mountaintops. They can't go any higher. The National Wildlife Federation reports that they might not be able to stand the new temperatures as their habitat heats up. The volcano rabbit has the same problem. These rabbits live on the slopes of volcanoes in Mexico, and recent studies have shown that the lower range of their habitat has already shifted upward about 700 meters, but there are not suitable plants for them to move higher, so they are stuck in the middle. Scientists are concerned about their populations. Native to the US, pygmy rabbits weigh less than 1 pound and live in the American West. They are believed to be the smallest rabbits in the world. Their habitats have been destroyed by development. Several populations, such as the Columbia Basin pygmy, almost went extinct and were saved by zoo breeding programs. Pygmy rabbits also rely on winter cover by digging tunnels through the snow to escape predators, but lesser snowfall is leaving them exposed. All of this gives new meaning to dressing up in a giant bunny costume this Easter. The writer mentions Easter at the beginning of the passage in order to (A) show the importance of Easter Day (B) introduce the issue about bunnies (C) remind people of Easter traditions (D) discuss the relationship between Easter and bunnies

42. The word “culprit” (Paragraph 2) is closest in meaning to_________ (A) criminal (B) judge (C) victim (D) producer

43. According to the passage, some rabbits can now be easily discovered by predators because they (A) are exposed to more skillful hunters (B) have moved to habitats with fewer plants (C) haven't adapted themselves to climate change (D) can't change their fur color into white in the fall and the spring

44. The problem faced by volcano rabbits and rock rabbits is that (A) both are affected by less snow (B) both are affected by rising sea levels (C) neither can find enough food (D) neither can migrate to higher places

46.Below is a selection about some Guinness (吉尼斯) World Records. Top 6 Unusual Guinness World Records ◆Fastest 100 running on all fours ◆Most living generations The 2008 Guinness World Records Day was, Did you ever wonder what is the Guinness According to GWR, their biggest day of record- World Record for most living generations in Breaking ener, with more than 290,000 people one family? Seven is the answer. Taking part in record attemts in 15 different The sultimate anthority on record-breaking Countries.Kenichi Ito’s record attempt was part mentions on the website that the yougest Of this special day. He is just another example of great- great- great- great grandparent of thi Japanese with “super powers” His “super powers” s familly was Angusta Buing “aged 109 ye is to run with great speed on all fours, Kenichi Ito ars 97 days, followed by her danghter aged ran 100 m on all fours in 18.58 seconds .The 89,her granddaughter aged 70, her great gra Japanese set this record at Setagaya Kunitsu Sogo nd-daughter aged 52 her great-great grand- Undojyo, Tokyo, in 2008 daughter aged 33 and her great- Great-great granddaughter aged 15 on the birth of her Great-Great-great- grandson on January 21,1989” ◆Most people inside a soap bubble The Discovery Science Center in Santa Ana, Califomia celebrated this year the 15th anniversary of the Bubble (泡泡) Festival. A bubble's math principles and science were presented and demonstrated at the three-week-long exhibition. The intriguing Bubble Show was also part of the program. Fan Yang and Deni Yang impressed the audience with their awesome skills for bubble making. The Yang family cooperated with the Discovery Science Center to set a new Guinness World Record for mow people inside a scup bubble and they succeeded. The family that has been working with soap bubbles for 27 years created a huge soap bubble and got 118 people inside it. The record was set or. April 4, 2011. ◆Most T shirts wom at once Believe it or not, there is a record also for this category. Krunoslav Budiseli set a new world record on May 22, 2010 for wearing 245 T-shirts at the same time. The nun from Croatia was officially recognized as the new record bolder by Guinness World Records after he managed to put on 245 different T-shirts in 1ess than two hours. . The T-shirts weighted 68 KG and Budiseli said he began struggling around T-shirt No. 120. He dethroned the Swedish Guinness record holder who wore 238 T-shirts. ◆Longest ears on a dog A bloodhood from illinces has the longest ears Ever measured on a dog. The right car is 13.75 inches Long and the left one 13.5 inches.The dog named Tigger earned This tilte in 2004 and is owned by Christina and Bryan Flessner. Mr.Jeffnies is the previous record holder of this title.Each of His ears measured approximately 11.5 inches long.His grandfather Used to hold this amazing world record ,but when he died Mr.Jeffnies Look over. ◆ Heaviest pumpkin Guinness World Records confirmed on October 9,2010 that a gigantic pumpkin（南瓜）grown in Wisconsin was officially the word’s heaviest.It weighed 1,810 pounds 8 ounces and was unveiles by Chris Steuens at the Stillwater Harvest Festival in Minnessta. Sheuens’Pumpkin was 85 pounds beavier than the provious record, another huge pumpkin grown in Ohio. The proud farmer said his secret is a precise mixture of rain, cow manure, good soil, sea grass and fish emulsion, Some of the world’s heaviest pumpkins, including the record holder, were on public display at the Bronx Botanical gardens in New York for a dozen days. . Why is Kenichi Ito described as a man with a "super power" ? (A) He set a good example to all Japanese. (B) He made record attempts in !5 different countries. (C) He set a new record for "Fastest 100 m running on all fours". (D) He participated in the 2008 Guinness World Records Day activities.

47. Jeffries is the name of______ . (A) the owner of the dog with the longest ears (B) the grandfather of the dog with the longest ears (C) the present holder of the record for " Longest ears on a dog" (D) the former holder of the record for "Longest ears on a dog"

48. How many T-shirts had Krunoslav Budiseli put on before he felt it difficult to go on? (A) 68. (B) 120. (C) 238. (D) 245.

49. According to the given information, which Guinness World Record was most recently set? (A) The record for " Most people inside a soap bubble". (B) The record for "Most living generations". (C) The record for " Most T-shirts worn at once". (D) The record for "Heaviest pumpkin".

50. Two friends have an argument that breaks up their friendship forever, even though neither one can remember how the whole thing got started. Such sad events happen over and over in high schools across the country. In fact, according to an official report on youth violence, "In our country today, the greatest threat to the lives of children and adolescents is not disease or starvation or abandonment, but the terrible reality of violence". Given that this is the ease, why aren't students taught to manage conflict the way they are taught to solve math problems, drive ears, or stay physically fit? First of all, students need to realize that conflict is unavoidable. A report on violence among middle school and high school students indicates that most violent incidents between students begin with a relatively minor insult (侮辱). For example, a fight could start over the fact that one student eats a peanut butter sandwich each lunchtime. Laughter over the sandwich can lead to insults, which in turn can lead to violence. The problem isn't in the sandwich, but in the way students deal with the conflict. Once students recognize that conflict is unavoidable, they can practice the golden rule of conflict resolution (解决) : stay calm. Once the student feels calmer, he or she should choose words that will calm the other person down as well Rude words, name-calling, and accusations only add fuel to the emotional fire. On the other hand, soft words spoken at a normal sound level can put out the fire before it explodes out of control. After both sides have calmed down, they can use another key strategy (策略) for conflict resolution : listening. Listening allows the two sides to understand each other. One person should describe his or her side, and the other person should listen without interrupting. Afterward, the listener can ask non-threatening questions to clarify the speaker's position. Then the two people should change roles. Finally, students need to consider what they are hearing. Tiffs doesn't mean trying to figure out what's wrong with the other person. It means understanding what the real issue is and what both sides are trying to accomplish. For example, a shouting match over a peanut butter sandwich might happen because one person thinks the other person is unwilling to try new things. Students need to ask themselves questions such as these: How did this start? What do I really want? What am I afraid of? As the issue becomes clearer, the conflict often simply becomes smaller. Even if it doesn't, careful thought helps both sides figure out a mutual solution. There will always be conflict in schools, but that doesn't mean there needs to be violence. After students in Atlanta started a conflict resolution program, according to Educators for Social Responsibility, "64 percent of the teachers reported less physical violence in the classroom; 75 percent of the teachers reported an increase in student co-operation; and 92 percent of the students felt better about themselves'. Learning to resolve conflicts can help students deal with friends, teachers, parents, bosses, and coworkers. In that way, conflict resolution is a basic life skill that should be taught in schools across the country. This article is mainly about (A) the lives of school children (B) the cause of arguments in schools (C) how to analyze youth violence (D) how to deal with school conflicts

51. From Paragraph 2 we can learn that (A) violence is more likely to occur at lunchtime (B) a small conflict can lead to violence (C) students tend to lose their temper easily (D) the eating habit of a student is often the cause of a fight