训练|2021高考英语典题专项训练检测题含答案（三）( 四 )
12. What's the significance of the new findings?
A. It reveals the family ties between people in Ireland and Sweden.
B. It implies that many people buried in the tombs were closely related.
C. It indicates the long-hidden mystery concerning DNA analysis.
D. It suggests that the megaliths became tombs thousands of years ago.
13. How did the researchers reach their findings?
A. By interviewing individuals. B. By travelling to different regions.
C. By analyzing genes. D. By studying the burial sites.
14. Which is true according to the latest findings?
A. Some people buried in the tombs were related to farmers.
B. Few people buried in the tombs were genetically different.
C. All the people buried at megaliths had family relationships.
D. People buried in the Ansarve tomb were dug out 700 years later.
15. What's the main idea of this passage?
A. Megaliths served as tombs thousands of years ago.
B. People buried at the megaliths were recently analyzed.
C. Latest findings shed light on a mystery about burials.
D. Stone-Age people in Ireland and Sweden had close ties.
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第二节 根据短文内容 ， 从短文后的选项中选出能填入空白处的最佳选项 。 选项中有两项为多余选项 。
Imagine an area 34 times the size of Manhattan. Now imagine it covered ankle-deep in plastic waste—a total of about 19 billion pounds of garbage. _____16_______.
"We're being overwhelmed (淹没) by our waste," said Jenna Jambeck, an environmental engineer who led the 2015 study that determined this astonishing number. ____17______, unless something is done to stop the tide of garbage.
Plastic—a widely-used material—has in many ways been a benefit to humans but it has also caused a growing problem. Today, plastics are the No.1 type of garbage found in the sea. Ocean Conservancy, a nonprofit that organizes an annual coastal cleanup event worldwide, said plastic waste makes up around 85 percent of the garbage collected from beaches and oceans.
Ocean Conservancy says plastics are believed to threaten at least 600 different wildlife species. ___18_____; a growing body of evidence suggests humans are consuming plastics through the seafood we eat. A research suggests some plastics could be poisonous to humans, and could potentially increase the risk of health problems.
____19_____. At the Economist World Ocean Summit this week, ten nations announced to reduce plastic sea litter as part of UN Environment's CleanSeas campaign. ____20_____. Corporations also have a role, as do individuals. We can start by thinking twice before using single-use plastic products—and when we do use them, we should take care to properly throw them off or recycle.
A. The following is what we should do
B. And it's not just wildlife that's threatened
C. And this figure is likely to double by 2025
D. But it's not just countries that need to do their part
E. By 2050, that figure is expected to rise to 1000 species
F. That's how much plastic waste ends up in our oceans every year
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