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1、2012届高考英语专题复习精选资料集（七十九） (A)While in Banff, make time for a walk around town. A special treat is to go up the mountainside on the Banff Gondola for a surprising view of the valley below. Here is The pines, whose cook has developed a special way of mixing foreign food such as caribou, wild boar, and r
2、eindeer with surprising sauces.Best time to visit is during the off-season, from early May to mid-June, or in October. This way you can avoid sharing the high way with mobile homes which can be pulled by cars. But whatever the season, take some lunch with you from Banff, because there are only a few
3、 food stops on the road.Forty minutes north of Banff, side by side with the BanffNational Park, sits world-famous Lake Louise. This surprisingly small body of water is attractive with towering mountains around it. Glaciers, huge masses of ice, moving very slowly against rocks, produce what is called
4、 glacier rock flour, making its water dark to see. It is worth taking a walk around the grounds of the Chateau Lake Louise, another beauty, proud of its early 20th century history.Back on the road, and its time to continue north past the astonishing Columbia Icefield, then turn off the highway and t
5、ake the short road to the base of the Athabaska Glacier. You can rent ice cleats (夹板) and do some climbing or do a more pleasant snowmobile tour. Either way, you can enjoy endless beautiful sights.Finally youll reach Jasper, the usual turning around the place for the Banff-Jasper loop (回路). Its wort
6、h riding the Jasper Skytram, and be sure to visit the wonderful Jasper Park Lodge, also dating back to the 1920s. If you can have lunch there, do it. The restaurant has an adventurous menu and their wine list would put a smile on any visitors face.1. According to the passage, The Pines is a _.A. pla
7、ce in which you can see many mobile homesB. mountain where you can get a good view of the valleyC. town which happens to be near the BanffNational parkD. restaurant where you can ask for some special kinds of food2. What will probably happen when visitors come at the end of June?A. They may have tro
8、uble finding a restaurant.B. They may come across traffic jams.C. They may travel more easily with cars.D. They may do much more sightseeing.3. Similar to the ChateauLake Louise, _.A. the BanffNational Park is to the west of BanffB. the Columbia Icefield lies between Lake Louise and the BanffNationa
9、l ParkC. the Jasper Skytram has a history of more than 80 yearsD. the Jasper Park Lodge was built in the 1920s4. Besides the beautiful sights in Jasper Park Lodge, visitors to Jasper can enjoy themselves by _.A. taking the Jasper Skytram and eating in the restaurantB. taking the Banff-Jasper loop an
10、d Jasper Skytram(B)For several years, scientists have been testing a substance called interferon(干扰素), a possible wonder drug that is proving to be effective in treating a variety of diseases, including virus infections, bacterial infections, and cancers. To date, the new drug has no side effect of
11、great influence to discourage its use. But in spite of its success, last year only one gram was produced in the entire world.The reason for the shortage lies in the structure of interferon. A special protein, the interferon produced from one animal species cannot be used in treating another animal s
12、pecies. In other words, to treat human beings, only interferon produced by human beings may be used. The drug is produced by infecting white blood cells with a virus. Fortunately, it is so effective that the amount given to each patient each time is very small.Unlike antibiotics (抗生素), interferon do
13、es not attack germs directly. Instead, it protects healthy cells from being infected, and prevents the reproduction of viruses within cells.As you might conclude, one of the most special uses of interferon has been in the treatment of cancer. Dr. Hans Strander, a research physician at Swedens famous
14、 Karolinska Institute, has treated more than one hundred cancer patients with the new drug. Among a group of selected patients who had received operations for advanced cancer, half were given traditional treatments and the other half were given interferon. Among those treated with interferon 70 perc
15、ent of them remained alive over three years, as compared with only 10 to 30 percent among those who had received the traditional treatments.In the United States, a large-scale project supported by the American Cancer Society is now underway. If the experiment were successful, interferon could become
16、 one of the greatest medical discoveries of our time.5.What is the difference between antibiotics and interferon?A. Interferon has serious side effects, while antibiotics do not.B. Antibiotics kill germs by attacking them directly, while interferon does not.C. Antibiotics are very effective, while the effect of interferon is limited.D. They are different in structure, although they are both pr
