The K-T boundary marks the end of the age of dinosaurs, and the beginning of the age of mammals. KT界限层标志着恐龙时代的终点和哺乳动物时代的开端。 But does the K-T boundary really signify the absolute end of all dinosaurs? 不过

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侏罗纪搏击俱乐部

侏罗纪搏击俱乐部第167期:行星终结了恐龙王朝

The thing about extinction events is that, of course they're very bad for the animals that go extinct, but they open up a door of opportunity for a lot of other animals and plants. 其实就灭绝事件来说，当然对走向灭绝的动物来说很糟

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侏罗纪搏击俱乐部

侏罗纪搏击俱乐部第166期:两颗巨大的小行星相撞

Giant long-necked Sauropods were able to browse at treetop levels, while other plant eating dinosaurs were perfectly adapted to take advantage of the low-growing vegetation. 巨大的长颈蜥脚类恐龙能够吃树顶上的嫩枝，而其它的植食

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侏罗纪搏击俱乐部

侏罗纪搏击俱乐部第165期:灭绝是进化的正常结果

It exploded with the force of a million nuclear bombs and unleashed the power of the sun. 它爆炸的威力相当于一百万枚核弹，释放出太阳的能量。 It set alight the entire biomass of earth and cooked the atmosphere. 它点燃了地球

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侏罗纪搏击俱乐部

侏罗纪搏击俱乐部第164期:渡河时发生大屠杀

When the Pachyrhinosaurus bodies came to the bend in the river the momentum of the water push their carcasses to the outer edge of the bend. 当肿鼻角龙的尸体来到河流的转弯处，水流的动力将它们的尸体冲向河流转弯处外缘

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侏罗纪搏击俱乐部

侏罗纪搏击俱乐部第163期:为了生存淹死同伴

The Cretacious period isn't as hot as the Jurassic. 白垩纪没有侏罗纪炎热。 The temperatures are still hotter than today, but the relatively cooler climate allows the dinosaurs to be more active. 气温仍比如今要高，不过相对凉爽的

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侏罗纪搏击俱乐部

【英语5级听力】即食方便面-Instant Noodles

Jessica was a college student. She did not know how to cook well. She does not have much time either. She is always busy. She has an important test coming up. She grabs a bowl of instant noodles. Instant noodles are easy to prepare. She rips off the

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【英语5级听力】公路旅行-A Road Trip

The Adam family was going on a road trip. They were driving from California to Utah. They were going to see the Grand Canyon. The family got bored on the ride there. The dad suggested they play music. They played music that the whole family liked. Af

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【英语5级听力】参观美术博物馆-Visiting the Art Museum

Josh wanted to do something fun today. He decided to go to the art museum with his sister. Today was a special day. The museum was free. It was usually 20 dollars to enter per person. They packed lunch sandwiches to eat later. They drove there. It to

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【英语5级听力】做三明治-Making a Sandwich

Karen was hungry. Her mom did not make any food. She was home all alone. She decided to make a sandwich. She was going to make a super sandwich. She first started with bread. She then spread mayonnaise and mustard on it. She also added different type

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【英语5级听力】去沙滩-Going to the Beach

Sandy was bored. She had nothing to do. It was a Friday. She decided to go to the beach. The weather was perfect for the beach. It was neither too sunny nor too cold. She called her friend Danny, who said he would go to the beach with her. Danny came

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【英语5级听力】在公园野餐-Family Picnic at the Park

It was Sunday. Judy's dad had a day off work today. Her mom also had no work. They wanted to do something fun. They decided to go to the park. It was a nice sunny day, perfect for a picnic. They brought a blanket to sit on. They also brought a basket

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【英语5级听力】在动物收容所当志愿者-Volunteering at the Animal Shelter

Tom had nothing to do this summer. His mom told him that he could not just stay at home. He was also tired of staying at home, so he decided to volunteer. He thought about places he could volunteer, the library, the hospital, and the animal shelter.

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【英语5级听力】混乱与整洁-Messy and Clean

Marie was messy. Cassie was clean. The two girls were roommates. Marie had a bunch of clothes on her bed. Cassie just had a blanket on hers. Cassie told Marie to put her clothes somewhere else. Marie ignored her. Marie had food from last week on her

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【英语5级听力】鲍勃减了50磅体重-Bob Lost 50 Pounds

Bob had been exercising every day for a year. He had also been eating healthy. He wanted to see how much weight he lost. He stepped on the scale. He closed his eyes. He was scared. What if he gained weight? He opened his eyes slowly. He looked down.

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【英语5级听力】预定披萨-Pizza Delivery

Tom was hungry, but lazy too. He didn't want to cook. He didn't want to go to a restaurant. He didn't even want to heat up leftovers. He decided to have a pizza delivered to him. He went on a pizza website. He ordered a small pizza. He waited for the

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【英语5级听力】没有电话-No Phone

Eileen had to see the doctor. She had no appointment. She had to wait for two hours to see the doctor. She was bored. She forgot her phone. She didn't know what to do. She looked around. Everyone had a phone. She looked to see if there were any magaz

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【英语5级听力】店铺关门了-The Store Was Closed

Cindy needed to return her dress. She tried it on at home earlier. It did not fit her. Today was the last day to return it. After today, she had to keep the dress. The store closes at 8 P.M. She started driving at 7:30 P.M. It took her 20 minutes to

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【英语5级听力】洗头发-Washing Her Hair

Danielle looked in the mirror. Her hair was oily. She needed to wash it. It takes her 30 minutes to wash her hair. But she had a date in 15 minutes. She didn't want to look bad though. She got a table cloth. It had pink flowers on it. She wrapped it

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【英语5级听力】看电影-Watching a Movie

Kenneth went to the movie theater. He likes to watch action movies. The more action, the better. He waited for his friends. They had planned to meet at 5 P.M. He waited outside. Twenty minutes passed. His friends were not there. He called one of them

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