题型:阅读理解 题类:常考题 难易度:普通
湖北省荆州中学2019-2020学年高一上学期英语期末考试试卷(含小段音频)
Humans and elephants don't always get along. In Africa and Asia, elephants damage equipment, farmers' crops, and natural habitat for other species. If an elephant becomes a problem, humans may kill it. So local people and animal protectionists are trying to find better ways to keep elephants away from sensitive places. Now, researchers think they have a good tool to prevent elephants: honeybee pheromones (信息素).
“Elephants dislike being stung(叮咬) in the trunk, because it's an extremely sensitive organ. Imagine being stung in your nose by a bee, and multiply that a few thousand times.” said Mark Wright, a professor at the University of Hawaii.
Kenyan farmers have long known that if they hang live beehives (蜂箱) around their farms, they will drive elephants away. The problem is how to manage hundreds of thousands of hives, if you have a huge area to protect. And then the idea came up to look at the alarm pheromones, which are chemicals that the bees release to launch an attack on something that's damaging the hive.
So the researchers tested out an artificial mixture of chemicals that imitates (模仿) honey bees' alarm pheromones. The researchers hung white socks treated with the artificial mixture as well as untreated control socks around an elephant watering hole, and then observed the animals' behavior. “Elephants are really curious creatures. They'll walk along and see something like a sock hanging on a branch. If it's not treated with the alarm pheromones, they'll pick it up, throw it around, and try to taste it, things like that. And in the case of the treated ones, they would show immediate signs of unease or uncertainty, and they'd eventually back off from them.”
In order to avoid the elephants more effectively, the researchers plan to make the pheromone mixture purer. That way, elephants will stay far away from wherever they should not be going-and both elephants and humans can coexist a bit more peacefully.
Amsterdam is one of the most popular travel destinations in the world, famous for its beautiful canals, top art museum and cycling culture. It is the capital and most populous (人口稠密) city in the Netherlands and often referred to as the "Venice of the North" due to its convenient system of bridges and canals. Here are some of the key points to remember as you plan your trip to Amsterdam.
Must-See Attractions
Most visitors begin their Amsterdam adventure in the Old Centre, which is full of traditional architecture, shopping centers and coffee shops. Don't miss the Dam Square and the areas around Spui and Nieuwmarkt. You'll also want to check out Amsterdam's Museum Quarter in the South District, which is great for shopping at the Albert Cuyp Market and having a picnic in the Vondelpark.
Transportation
Travelers should be aware that Amsterdam Airport Schiphol is one of the busiest airports in the world. You can catch a train from Schiphol to Amsterdam Central Station, which has many connecting routes. Cycling is very popular here, and it's easy to find cheap bike rentals around town.
Recommended Restaurants
Amsterdam is a top destination for foodies (美食家), so it is difficult to narrow down your dining choices. Here are a couple of our favorites.
Restaurant |
Cuisine (风味) |
Location |
Price |
Notes |
Foodism |
Mediterranean |
Nassaukade 122, 1052 EC |
dishes from €20 |
Small portions are served so order 2-3 dishes per person |
Ciel Bleu |
French |
Hotel Okura, Ferdinand Bolstraat 333, 1072 LH |
set-price menus from € 110 for dinner |
Make advance booking and ask for a table by the window |
Money Saving Tips
• Unless you really want to see the tulips (郁金香) blooming, avoid booking between mid-March and mid-May. This is when hotel and flight prices rise sharply.
• Look for accommodations in Amsterdam's South District, where rates are generally cheaper than in the city center.
• Buy train tickets at the machine instead of the counter to save a bit of money.
• Check out our homepage to view price comparisons for flights, hotels, and rental cars before you book.
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