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that produce 86 percent of the world’s bananas. They found that climate change has improved growing conditions in 21 of these countries. In the past 60 years, the average yield (平均产量) has reached 1.37 tons of bananas per hectare (公顷).
However, if temperatures keep rising, this advantage will disappear. Ten of the countries, including India, the world’s biggest producer of bananas, will produce fewer bananas. By 2050, the fruit may die out.
Shouldn’t bananas grow more easily if it’s hotter outside? In fact, the perfect temperature range for growing bananas is between 24 and 32 C. If temperatures get too high, they will stop growing.
Diseases are another danger to bananas. Unlike other crops, the bananas we grow come from shoot cuttings (茎段) rather than seeds (种子). This means that all banana plants have the same genotype (基因型). In other words, if a disease is able to kill one plant, it could kill them all.
One serious disease is called Panama. Caused by fungus (真菌) in the soil, it spreads easily. It has spread across South Asia, Africa, the Middle East, and Australia. If one banana plantation (种植园) suffers
from the disease, it will take 30 years until it is able to grow bananas again. Scientists have yet to find a cure for this disease.
( ) 1. What does the underlined word “this” in Paragraph 2 refer to?
A. People’s love for bananas. B. The taste of bananas.
C. The convenience of eating bananas. D. The future disappearance of bananas.
( ) 2. What might happen if temperatures keep going higher?
A. More countries will start to grow bananas. B. Bananas will grow better in most countries. . C. Bananas will not be able to grow any more. D. Bananas won’t be as tasty as before ( ) 3. What does Paragraph 5 tell us?
A. What diseases bananas may suffer from. B. How bananas are grown.
C. How diseases can easily kill bananas. D. Which diseases can kill bananas. ( ) 4. The story is written to _____.
A. offer tips for growing bananas B. explain why bananas may die out C. show the difficulties of growing bananas D. describe bananas’ growing conditions Words in use
根据中文提示完成下列句子:
1. Lisa watched until the train ____________ (消失) from view.
2. How did the dinosaurs____________(灭绝)?
3. There is still no ________ (治疗) for such a rare disease. 参考答案及解析
1. D。 从第一段最后一句British scientists say that the fruit may disappear by 2050. 可以得知英国的科学家表示,香蕉这种水果可能到2050年就消失了。故答案为D。
2. C。从文章第四段最后一句If temperatures get too high, they will stop growing可以得知如果温度太高,香蕉就停止生长了。故选C。 3. C。从文章第五段第二句Unlike other crops, the bananas we grow come from shoot cuttings rather than seeds. 可以得知跟其他作物不同,人们通过茎段来种植香蕉而不是种子。所以如果病菌能杀死一株植物,它就能杀死所有的植物。故答案为C。
4. B。 从文章第二段第一句One reason for this is climate change.和第五段第一句Diseases are another danger to bananas.可以得知本文分析了香蕉灭绝的原因一是因为气候,二是因为感染疾病。故答案为B。 Word in use
1. disappeared 2. die out 3. cure
Day five 阅读难度★★★
Finding your inner talent
How do people find their inner talent? British author and speaker Sir Kenneth Robinson talked about this at TED. He told the story of Gillian Lynne, a dancer and a choreographer (编舞者) who has worked on famous musicals like Cats and Phantom of the Opera (《歌剧魅影》). Gillian Lynne never did well in school as a child. She couldn’t
concentrate and often found herself moving restlessly. Her mother was
quite worried about her. She took Lynne to a doctor. For 20 minutes, she talked about the problems Lynne was having in school. Then, the doctor
said to Lynne, “I need to speak to your mother first. Wait here.”
As they left the room, the doctor turned on the radio. He then said to Lynne’s mother, “Just stand and watch her.” The minute they left the room, Lynne was on her feet, dancing to the music on the radio.
The doctor then turned to Lynne’s mother and said, “Mrs Lynne, your daughter isn’t sick. She’s a dancer. Take her to a dance school.”
Lynne later went to the Royal Ballet School (皇家芭蕾学校), one of the world’s greatest dance schools, and became a great dancer.?So she did. Lynne’s new dance school was full of people just like her – people who had to move in order to think.
After leaving the school, she worked on some of the most successful musicals in history. It is hard to believe that years ago, somebody else would just put her on medication (药物治疗) and tell her to calm down. Comprehension test
( ) 1. Why did Lynne’s mother take her to a doctor?
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