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1、- - 1 - -山东省实验中学高三第三次诊断考试(2014.12)第二部分 阅读理解 (共两节。满分 40 分)第一节 (共 15 小题；每小题 2 分，满分 30 分)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，并在答题卡上将该项涂黑。AHumans arent the only ones getting a buzz 强烈的情感 from coffee. Caffeine can improve memory among honeybees and lead to better pollination (授粉). According to a recent
2、study published in the journal Science. The study was conducted by a team of researchers at Newcastle University in the United Kingdom. They found that the nectar (花蜜) of some flowers, such as those from grapefruit and lemon plants, as well as certain coffee flowers, contains low doses 剂量 of caffein
3、e. To get bees to feed on these flowers, the team trained the insects to associate food with the smell of the flowers. They also trained another group of bees to feed on nectar from flowers that were sweetened with a sugar, but did not contain caffeine. After 24 hours, the bees trained on caffeinate
4、d flowers returned to these plants three times as often as those trained on the sweetened flowers returned to the uncaffeinated plants. Professor Geraldine Wright led the researchers. “Remembering floral traits (花部特征) is difficult for bees to perform at a fast pace as they fly from flower to flower
5、and we found that caffeine helps the bee remember where the flowers are,” Wright said in a statement. Improved memory led to the better pollination. Thats because once bees sip the caffeine nectar, they continue to look for more coffee plants to pollinate. This also suggests that caffeine plays a ro
6、le in improving the bees ability to search for food. Researchers found that caffeines effect on the bee brain is similar to its effect on mammals. “The change is similar to that produced by caffeine in neurons (神经元) associated with learning and memory in the rat brain,” Wright said. Bee populations
7、have declining since 2007. The dramatic drop in the insects numbers has serious effects for ecosystems and the farming industry. Bees are needed in the reproduction of crops and spreading wild flower species. Understanding what keeps bees buzzing could help to make sure that the insects are able to
8、remember and pollinate their favorite flowers. 21. Which of the following is mentioned in the passage?A. Caffeine has no effect on the rat brain. B. Bee population has been increasing. C. The nectar of lemon plants contains caffeine. D. Bees dislike nectar from sweetened flowers. 22. After reading t
9、he passage, John, who works in the farming industry, will probably feel _. A. annoyed B. angry C. nervous D. excited23. Which of the following relationship is correct according to the passage?A. improved memory caffeine nectar better pollination- - 2 - -B. caffeine nectar improved memory better poll
10、inationC. improved memory better pollination caffeine nectarD. caffeine nectar better pollination improved memory24. What section of a newspaper may this passage be taken from?A. Science B. Education C. Culture D. Sports【答案】【知识点】C3 新闻报道类 【文章综述】本文主要讲述了蜜蜂对农业生产的新贡献，增加农产品的产量，但养蜂人却日益减少。【答案解析】 21. C。解析：细节
11、题，根据第二段的 They found that the nectar (花蜜) of some flowers，such as those from grapefruit and lemon plants，as well as certain coffee flowers，contains low dosesdos剂量 of caffeine 可知选 C。 22. D。解析：推断题，通读全文，并根据文章的最后一段推断蜜蜂为农业生产做出了很的的贡献，养蜂人功不可没，故作为养蜂人是非常兴奋的。故选 D。A 烦人的；B生气的；C 紧张的；D 激动的，兴奋的。23. B。解析：推断题。根据文章第四段
12、的 Improved memory led to the better pollination. Thats because once bees sip the caffeine nectar, they continue to look for more coffee plants to pollinate 可知选 B。 24. A。解析：推断题。通读全文可知这是关于蜂蜜采集的科普知识。故选 A。A 科普；B 教育； C 文化； D 体育。BThe Best of AlaskaNothing evokes (唤起) Alaska like a whale exploding out of t
13、he water or an eagle pulling a silver fish from the river. Combine these images with high mountains, brilliant icebergs and wonderful meals and you really do have the Best of Alaska! Join us for an unforgettable 7-day excursion (远足) to the last frontier!Highlights:JUNEAU: Juneau, the state capital,
14、is rich in culture and scenic beauty. It is here that we start and end our trip. HAINES: Haines is a small community located along the fjords (海湾). The natural beauty and expansive wilderness found here have made Haines a premier premi(r)（最早的，首相，总理） center for adventure in Alaska. ALASKA INDIAN ARTS
15、: Alaska Indian Arts is a nonprofit corporation dedicated to the preservation and continuation of traditional native craft and culture of the Northwest Native Tribes. We spend a few hours learning carving, native beading (玻璃珠) and culture from these master artists. SKAGWAY: Skagway is a lively town,
16、 which still reflects its gold rush roots and - - 3 - -contains colorful shops. In Skagway, we stop by the Klondike Gold Rush National Park Visitors Center and ride the White Pass Yukon Route Railway. GUSTAVUS: Gustavus is the gateway to Glacier Bay National Park. Well stay at a comfortable lodge 暂住 here for two nights. This will be the base for
