[ID:4-6913697] 湖北省部分重点中学2018-2019学年高一下学期期末联考英语试题(无听力题, ...
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第一部分 听力(共两节,省略)
第二部分 阅读理解(共两节,满分35分)
I’m a happy mother of two wonderful kids. My daughter is Blanca Ramirez. She’s 14 years old right now, but at the age of 11, she began to do long-distance running, she knew she could do more than just run, so she decided to run for a charity.
She ran for Operation Smile. It is a non-profit organization that helps children worldwide suffering from cleft lip or cleft palate (唇腭裂) at no charge. At Operation Smile they believe every such child deserves exceptional surgical (外科的) care.
My daughter believes that no child should be without a smile, so to help even more, she took her running even further. She went on a journey on becoming the youngest female in the world to run 7 marathons on 7 continents in the name of Operation Smile. She did so in order to raise money and awareness to this organization. And she completed her journey by age 12 on February 19, 2015.
But she’s not done. She now continues to help inspire others by running. One person she has inspired so much is her little brother Jordan. He is 7 years old and has run to this day, 105×5k’s, 11×10k’s & 4×half marathons. He will be running all 7 continents too along with Blanca, starting in November 2017 in Australia.
What makes me proud is that they both plan to continue to help others in this way, and maybe one day they’ll get an Olympic medal.
1. Why did Blanca run for Operation Smile
A. Because her mother asked her to do so.
B. Because the organization required her to do so.
C. Because her brother invited her to do it together.
D. Because she could make contributions to the world.
2. What does Operation Smile do for the kids suffering from cleft lip or cleft palate
A. It educates them for free.
B. It offers them food and clothes.
C. It looks after them at no charge.
D. It operates on them free of charge.
3. Which of the following can best describe Blanca
A. Warm-hearted and inspirational.
B. Humorous and clever.
C. Outgoing and helpful.
D. Gentle and kind.
4. Why does the author take pride in her two children
A. Because they exercise regularly to keep fit.
B. Because they try to help others by running.
C. Because they’ve completed four full marathons.
D. Because they’ll continue running to win an Olympic medal.
Every spring flowers suddenly come out everywhere on the same day, as if they had an agreement with one another. But how exactly do plants “know” when to flower
It’s a question puzzling biologists for years. But according to Science Daily, a US research group may have finally answered it—the secret lies in a protein called FKF1. This allows plants to sense the differences in day lengths so that they can tell the seasons are changing.
Researchers found the protein when they were studying a plant called Arabidopsis. They found it’s a photoreceptor (感光器). This means it’ s sensitive to, and can be activated (激活) by sunlight.
Plants produce the protein every day in the late afternoon throughout the year. If there’s no light at this time, for example, in winter when the sun goes down early, it may not be activated. But when spring comes and the days get longer, it can be activated by daylight and the plants “know” it’s time to flower.
Although researchers have only studied how the FKFI protein works in the Arabidopsis, they believe that the process is similar in many other more complex (复杂) plants, including crops like rice and wheat. This could be useful to the agricultural industry.
“If we can control the timing of flowering, we might be able to produce more crops by putting it forward or putting it off,” a leader of the study said. “Also, if we could control the timing of flowering in horticultural (园艺的) plants, they may be worth more money.”
What an amazing thing to think about this!
5. How do plants know when to flower
A. They get messages from some insects.
B. They receive messages from other plants.
C. A certain protein tells them the time to flower.
D. Sunlight produces a protein in them to help them flower.
6. What can we learn from the article
A. The study may benefit agricultural industry.
B. We may have plants that flower all year round.
C. Plants don’t flower in cold weather and short days.
D. Researchers found the protein by studying rice and wheat.
7. What’s the writer’s attitude towards the study
A. Negative. B. Positive.
C. Uncaring. D. Unclear.
You might not regard England, which is famous for its almost year round rain, as a place with a water shortage problem. However, James Bevan, head of the UK Environment Agency, warned at a recent conference that England will lack water within 25 years.
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