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Passage Two
v 听力原文
[19] An endangered species of whale is experiencing a small baby boom off the coast of America.
The North Atlantic right whale is one of the rarest species of whale on the planet, numbering only about 411. But the Center for Coastal Studies said Friday that its aerial survey team spotted a mom with two babies in Cape Cod Bay a day earlier. That brings the number seen in nearby waters alone this year to three. That’s big news because the whale’s population has been falling, and no baby whales were seen last year. In all, seven baby whales have been spotted so far this year.
[20] The whale population has become endangered due to commercial whaling activities in recent years. This is because they are sometimes hunted for their meat or their skin. Over-hunting could lead to the disappearance of the whale population, possibly causing major problems to the global food chain.
[21] The whales give birth off the southeast coast of America in the winter and travel to feeding grounds off the northeast coast in the early spring. Northeast coast is a critically important source of food. The animals often feed close to shore. This provides watchers on land with unbeatable views of one of the rarest of marine mammals. It’s illegal to get within 1,500 feet of the animals without a federal research permit, so whale watchers are discouraged from attempting to get close to the whales.
Questions 19 to 21 are based on the passage you have just heard.
Q19: What do we learn from the passage about the North Atlantic right whale?
Q20: What has caused the decline of the whale population in recent years?
Q21:Why do the whales travel to the northeast coast of America in the early spring?
【解析】
19. D)项意为：它的种群数量目前呈现增长迹象。D)项signs of increase同义替换第1段中的a small baby boom，且第2段明确第1段濒危鲸鱼（An endangered species of whale）指的是“北大西洋露脊鲸”（The North Atlantic right whale）。故选D)项。
20. C)项意为：商业捕捞。C)项关键词Commercial hunting同义替换第3段第一句中的commercial whaling activities。故选C)项。
21. B)项意为：为了觅食。B)项关键词food同义替换第4段第一句中的feeding。故选B)项。
Passage Three
v 听力原文
An average person consumes 144 pints of milk a year, but 40% of that is poured onto cereal. And 60% of those people are children. But what was once advertised as nutritious is becoming unpopular. [22] Americans drink 37% less milk than they did in the 1970s. And in the UK, dairy consumption overall has fallen by a third in the past 20 years.
Milk is increasingly being described in a negative light. A recent blog suggested:[23] “Maybe people are drinking less milk because it is poisonous to many of us.”
Lactose is the sugar found in milk and dairy products. It needs a series of complex proteins to break it down. [24] Without enough of these proteins, the lactose is broken down by bacteria in the human body. This can cause physical pain and produce gas in the stomach. However, after we have finished breast or formula feeding, most of us don’t continue producing the complex proteins in our body, which are necessary to break down the lactose.
Despite the problems in digesting milk, it does provide many benefits. [25] Milk is nutritious. It contains vitamins A and D, as well as protein and isn’t full of calories.
You can test yourself by drinking a large glass of milk. If you get sick in your stomach within the next 24 hours, you are lacking the proteins to digest milk.
Questions 22 to 25 are based on the passage you have just heard.
Q22: What does the passage say about Americans?
Q23: How do Americans and British people think of milk nowadays?
Q24: Why does drinking milk cause pain in some people?
Q25: What does the passage say is a benefit of milk?
【解析】
22. C)项意为：他们的牛奶消费量如今有所减少。首题关注开篇，再结合题目问题，题目问到关于美国人，这篇文章说了什么？文章首段第四句指出“美国人现在的牛奶饮用量比上世纪70年代减少了37%”，C)项consume less milk these days同义替换首段第四句中的drink 37% less milk than they did in the 1970s。故选C)项。
23. A)项意为：它不像过去认为的那么健康。A)项关键词not as healthy as once thought同义替换第2段第二句中的poisonous。故选A)项。
24. C)项意为：他们缺乏消化它所必需的蛋白质。文章第3段第三句和第四句点明缺乏蛋白质的后果：乳糖被人体中的细菌分解，引发身体疼痛。C)项They lack the necessary proteins to digest it是对第3段第三句和第四句的总结。故选C)项。
25. B)项意为：它能提供一些必要的营养。文章第4段第二句说明牛奶是有营养的，第三句说明牛奶含维生素A、D及蛋白质且热量低。B)项It provides some necessary nutrients是对第4段第二句和第三句的总结。故选B)项。
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