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题型:阅读理解-阅读单选 难度:0.65 引用次数:56 题号:8834777

Robert is nine years old and Joanna is seven. They live at Mount Ebenezer. Their father has a big property. In Australia they call a farm a property.

Robert and Joanna like school very much. At school they can talk to their friends but Robert and Joanna cannot see their friends. They live 100, perhaps 300, miles away and like Robert and Joanna, they all go to school by radio.

Mount Ebenezer is in the centre of Australia. Not many people live in “The Centre”. There are no schools with desks and blackboards and no teachers in “The Centre”. School is a room at home with a two-way radio. The teacher also has a two-way radio. Every morning she calls each student on the radio. When all students answer, lessons begin… Think of your teacher 300 miles away!

1. The children in “The Centre” do not go to a school because _______.
A.they live too far away from one another
B.they do not like school
C.they are not old enough to go to school
D.their families are too poor
2. In order to send their children to school, parents in “The Centre” of Australia must have ____________.
A.a propertyB.a car
C.a school room at homeD.a special radio
3. Teachers in “The Centre” of Australia teach _______________.
A.not in a classroom but at the homes of the students
B.by speaking only and not showing anything in writing
C.without using any textbooks or pictures
D.without knowing whether the students are attending
4. When children are having a lesson, they can hear their teacher _____.
A.but their teacher cannot hear them
B.and their teacher can hear them too
C.but cannot hear their schoolmates
D.and see him or her at the same time
5. A “property” in Australia is a ______________.
A.houseB.school
C.farmD.radio

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【推荐1】How to Care for Indoor Plants

If you’ve ever had an indoor plant that’s quickly withered (枯萎), you might believe that you don’t have a green thumb or you’re not cut out for growing plants.     1     The truth is that anyone can be a good plant owner, and it really isn't complicated, we promise. In this article, we'll walk you through everything you need to know to care for your indoor plants, from watering to sunlight requirements to fertilizer.

    2     If your soil is either too dry or overwatered, it can damage the plant’s roots and prevent the plant from growing. In some cases under or over watering your plant can also kill it. Plants with thick leaves require more water than plants with leathery leaves. There is no specific frequency that works for all indoor plants. Instead, what you must do is determine what kind of plant you have, and follow guidelines on how often to water it by doing research on its specific type.

Stick your finger in the soil to determine how wet it is below the surface. If you put your finger into the soil up to your joint, you can feel if your plant needs more water. If the soil feels damp, then you don’t need to water it.     3     If it feels dry then it’s likely you need to water it.

Use water that is at room temperature. 68F or 20C is the best temperature to keep the water that you’re using to water your plants.     4     After that, you are supposed to take some actions to make the plants grow comfortably.

Use a hand-held moisture (水分) meter to ensure water levels in your soil.     5     The mechanism explores the underlying soil to give you a reading on how hydrated (含水的) your soil is.

A.Keep potting soil moist, but not wet.
B.Indoor plants are not necessarily good for us.
C.Well, we’re here to tell you that’s not the case.
D.Test whether your finger is long enough to put into the soil.
E.You can use a thermometer to determine the temperature of the water.
F.Over-watering can lead to rotting of the root which you need to fix.
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2023-11-07更新 | 76次组卷
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文章大意:这是一篇说明文。文章介绍了科学家通过放置监听设备来倾听生物的声音,为我们提供了一个以强有力的方式倾听非人类声音的机会,恢复了我们与自然世界的联系。

【推荐2】Technology usually distracts us from nature. But now technology is “offering us an opportunity to listen to nonhumans in powerful ways, reviving our connection to the natural world,” wrote professor Karen Bakker in her new book, The Sounds of Life: How Digital Technology Is Bringing Us Closer to the Worlds of Animals and Plants.

All around the animal kingdom, there are sounds that we struggle to pick up and decipher. Elephants, for example, communicate with each other using infrasound, a sound frequency far below our human hearing range. Coral in the ocean also communicates with each other through sound waves, with one purpose being to attract baby coral to areas where it can successfully grow.

This is a shocking fact as coral doesn’t have any ears! Scientists have placed listening devices in these environments to pick up sounds humans are normally unable to detect.

After the sounds are recorded, AI is then able to determine their meaning, according to the news website Vox. There are now whole databases of whale songs and honeybee dances. Bakker wrote that one day this information could be turned into “a zoological version of Google Translate”.

One animal language Bakker wrote about is that of the elephant. She explained how elephants “have a different signal for honeybee, which is a threat, and a different signal for human,” in an interview with Vox. “Moreover, they distinguish between threatening humans and non-threatening humans,” she said.

This technology can not only understand the animals, but also communicate back to them. For example, bees use dances to communicate to their peers where to go in search of nectar. A research team in Germany, therefore, fed the bee language AI database system into a robot bee, allowing the robot to create a dance routine that can tell the bees which direction to move, Vox reported. Whereas in the past language creation had been limited to mainly apes, with there being many examples of chimpanzees (黑猩猩) having been taught sign language to communicate with humans, this new technology now allows humans to socialize with different animals throughout the animal kingdom.

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D.Elephants can tell whether there are threatening animals around.
4. Why did researchers create the robot bee?
A.To collect more bee dances.B.To convey direction to bees.
C.To learn the language of bees.D.To help bees search for their friends.
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【推荐3】It doesn’t matter how smart teens are or how well they scored on the SAT or ACT. Good judgment isn’t something they can do extremely well in, at least not yet.

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4. What is the purpose of the text?
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D.To advise the parents to give teens more instruction.
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