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外研版初中英语九年级上册期末检测卷(二)

作者UID:9673734
日期: 2024-11-07
期末考试
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阅读理解

    Getting electricity has always been a problem for the 173 people living in Nuevo Saposoa, a small village in Peru, South America, However, things went from bad to worse in March 2016 after heavy rains damaged the only power cables in the area. The villagers were forced to use oil lamps, which are not only expensive but also dangerous because of the harmful gases they produce.

    Luckily, researchers at the. University of Technology (UT) in Lima,Peru heard about their problem and found a wonderful solution, They made a lamp that can be powered by plants and soil, both of which can be easily found in the Amazonian rainforest where the village lies. T he lamp takes energy from a plant growing in a wooden box and uses it to light up an LED light bulb.

    While that may sound amazing and even impossible. the science behind the idea is quite simple. As plants create their food (using the sun's energy, water and chemicals from the soil), they also produce waste which they return to the soil. Tiny animals in the soil eat this waste and they produce electrons 一 the building blocks of electrical energy. The UT team put special sticks inside the soil to capture the energy and keep it in the lamp's batteries for later use. The researchers say a single charge can power a 50 一 watt LED light for two hours 一 enough time for local villagers to get their evening work done.

    The university gave ten plant lamps to the villagers of Nuevo Saposoa in October 2016. So far, they have been a huge success! Elmer Ramirez, the UT professor who invented the lamp, believes the plant lamp could help improve the lives of many people, especially small rainforest communities, 42% of whom have no electricity.

阅读理解

    Emergencies (紧急情况) don't happen very often. But when they do, you want to get help first. No one wants to spend time looking up the phone numbers.

    In 1968, the United States government wanted one number that people could call tor emergencies. They decided that 911 was easy to remember and people could dial it quickly, The very first 911 call was made on February 16, 1968, in Alabama. Today, 911 is used for emergencies in most parts of the United States and many parts of Canada.

    Other countries may use other numbers. In Great Britain, it's 999. If you're not sure which emergency number is used in your area, check your phone book.

    When to call

    Never call 911 as a joke or just to see what might happen. The only time you should call 911 is when a person is badly hurt or in danger right now! So call when there is a fire, a car accident, or sudden sickness, etc.

    When in an emergency call

    When you speak to the 911 operator (接线员) on the phone, it's always OK to give your information. Speak slowly and clearly when you explain what's happening. What happened? Where are you? Who needs help?

    Don't hang up (挂断)!

    If you have to dial 911, do not hang up until the operator tells you it's OK to do so. That way, you can be sure that the operator has all the information to offer help fast.

    A dog named Faith dialed 911 when her owner who was in a wheelchair fell and needed help. She had been taught to use a speed 一 dial (快速拨号) function.

阅读理解

    Nowadays. the food that you buy comes from many different countries. Have a look in your fridge, cupboard, and fruit bowl and check the origins (来源) of the food. Perhaps there are apples from California, lamb from New Zealand, or potatoes from Egypt. You will probably be surprised how far food travels to get to your plate. This journey, from field to plate, is called "food miles". A food mile is the distance that food travels from the farmer's field to the person who buys the food. Nowadays, food often travels thousands of miles to get to the consumer. Why is this, and what are the effects (影响) of these long distances?

    Traditionally, farmers sold their food in the local market, so the food didn't have to travel very far. The consumers also did not travel very far because they went to their local market to buy the food. This was a good system for farmers and consumers. However, there were some disadvantages. For example. Consumers could only buy food that farmers produced locally. In addition, they could only get food that was in season. Now, because of modern technology, food comes from all . over the world. We do not have to wait for spring or summer to buy strawberries or tomatoes, They areavailablein winter if we want.

    Some countries have to import (进口) most of their food. This is because they have difficult climates. The United Arab Emirates (UAE), for example, gets 85% of its food from other countries. Even food made in the UAE often uses imported materials.

    What's wrong with "food miles"? Is this not a good way of increasing international trade? I believe these miles are worrying for a number of reasons. First of all, because food travels such long distances, we need more planes. Lorries, and ships to move the food. This means we use more oil or petrol, so there is more pollution and more global (全球的) warming. In addition, food that travels a long way is not fresh and usually not very tasty. Tomatoes, for example, are picked early and stored for their long journeys. For this reason, they are usually tasteless when they get to the consumer. Local food has a better taste. and it also reduces the amount of global pollution. We need to buy more local food.

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