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Dictation: listen to the audio and fill in the blanks.[音频]Water from the Sky: Too Much or Not Enough?"How much rain did we get?" It's a question we often hear, and its an important one because all life on Earth depends on (1) ___________. As long as our part of the world gets the usual (2) ____________ of rain, we're happy.The problems come when we get too much rainfall or not enough. In southern China, for example, June of 2016 was a month of (3) ____________that brought far too much rain. The rain caused (4) ____________in much of the area. Three hundred people were killed, and 700,000 acres of farmland were underwater.That same spring, very little rain fell in parts of India. That caused a (5) ______________in the state of Telangana. The terrible conditions (6) _____________food crops, which couldn't grow without water. Drinking water supplies dried up as well. More than a quarter of India's population was affected.The problems are different when the (7) _____________is cold. Then it's the amount of snowfall that matters. In February of 2016, a huge snowstorm hit the resort island of Jeju in South Korea. It was the biggest snowfall there in several decades.Because rainfall is so important to us, scientists called meteorologists try to (8) _____________the amount of rainfall different parts of the worid will receive. To do this, they (9) _____________air and ocean temperatures. They also watch weather conditions around the world to see how the air is moving.Meteorologists then make weather (10) _______________to let us know how much rain to expect. They're not always exactly right, but they do know when well probably have large amounts of rain or not enough.
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Dictation: listen to the audio and fill in the blanks.[音频]Every person on Earth needs food for ____1______.Fortunately, farmers all over the world grow _____2____such as rice, wheat, fruits, and vegetables. Those foods can ______3_____both people and animals. There is more than one_____4____to the food problem. Back in the 1960s, scientists thought that only_____5______farming on huge farms could produce enough food for everyone.However, the kind of farming scientists believed in during the 1960s required _____6_____amounts of water and chemical fertilizers, and also large amounts of______7____ to grow all that food on. These days, many people worry about the _____8_____and the problems caused by large-scale farming.They like to buy their food from small farms instead. In addition, it doesn't take a huge______9____of land to grow a little of your own food in a vegetable garden. You probably can't grow 100 ____10_____of your food, but at least you will know exactly where some of your food comes from.
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Dictation: listen to the audio and fill in the blanks.[音频]FROM PANT-PANT TO HA-HALook at the photo. Does this look like laughter? New research says that apes laugh when they are tickled. A ____1___ at the University of Portsmouth in the U.K. ___2_____ a "tickle team". The team tickled the necks, feet, hands, and armpits of young apes. The team ____3___ more than 800 of the resulting laughs on tape. The research suggests that the apes' panting noise is the ___4____ of _____5_____.Researchers think that this short, quick breathing is the starting point of human expressions of _____6_____---the "ha ha" sound we make when we laugh. When we find something _____7____, such as a joke, we laugh. When apes find something amusing, such as a tickle, they laugh. Humans find many ______8____ funny—such as jokes, tickles, TV _____9___ shows—but we are not unique because animals laugh, too.
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