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外刊阅读——学会地道英语
有毒的苹果
In the story “Snow White”, the bad queen finally decides to kill Snow White with an apple put in deadly poison (毒药). Thanks to some helpful small men with magical powers and a handsome prince, Snow White gets well again, and everyone lives happily ever after.
But the queen doesn’t need to go to all that trouble. In fact, apples—along with many other common fruits we eat—are already poisonous! But don’t be afraid. The yummy fleshy part won’t harm you. It’s only the seeds that you need to avoid.
The seeds of apple trees have a chemical called amygdalin (苦杏仁苷). Inside an animal’s stomach, amygdalin turns into a strong poison called cyanide (氰化物). And cyanide can make people and animals very sick, or even ______.
Still, don’t worry if you accidentally eat up a few apple seeds. Each seed has only a very tiny amount of poison. You’d have to eat a large bowl of seeds to feel any effect. And you’d need to chew (咀嚼) them well—the hard, shiny outer coverings of apple seeds keep the poison locked inside. Unchewed seeds usually come out whole in your poop (大便). But cows and other animals often chew seeds up along with the fruit, so they can get sick after eating apples that fall to the ground.
Why would a tree make poisonous seeds? To stop animals from eating them. Amygdalin tastes terrible. It’s also found in leaves and other parts of fruit trees. If a deer or cow eats many apple leaves, it gets a terrible taste and an upset stomach. Animals soon learn to leave those trees alone. Thanks, amygdalin!
Do you want to prove the above idea? If you chew an apple seed up, you’ll notice a terrible taste. Gross! That’s the amygdalin. The apple tree doesn’t want you to chew its seeds up. It wants you to throw them out, so they can grow into new trees. Go right ahead!
Mirror, mirror, on the wall, who’s the cleverest fruit of all?
一、好词句深练
(一)根据语境用所给单词的适当形式填空
1. The forest at night seemed
2. It’s necessary to keep that plant away from children because its flowers are
3. The
(二)用方框中词的正确形式替换下列句子中的黑体部分 sick harm
1. It might
2. She felt
(三)根据所给汉语,完成下列句子
1. We repaired the machine and it worked well
2. After eating the cold noodles, I got
(四)仿写句子
It’s only the seeds that you need to avoid. (强调句型 It’s... that/who...)
仿写:不要太依赖别人,是你自己塑造你的未来。
二、根据短文内容,回答下列问题(每小题答案不多于5词)
1. What does the queen do to kill Snow White?
2. It’s dangerous for humans to eat apples, isn’t it?
3. Please fill in the blank in the third paragraph.
4. Why do cows and other animals often get sick after eating apples?
5. How will you feel if you chew an apple seed up?
有毒的苹果
In the story “Snow White”, the bad queen finally decides to kill Snow White with an apple put in deadly poison (毒药). Thanks to some helpful small men with magical powers and a handsome prince, Snow White gets well again, and everyone lives happily ever after.
But the queen doesn’t need to go to all that trouble. In fact, apples—along with many other common fruits we eat—are already poisonous! But don’t be afraid. The yummy fleshy part won’t harm you. It’s only the seeds that you need to avoid.
The seeds of apple trees have a chemical called amygdalin (苦杏仁苷). Inside an animal’s stomach, amygdalin turns into a strong poison called cyanide (氰化物). And cyanide can make people and animals very sick, or even ______.
Still, don’t worry if you accidentally eat up a few apple seeds. Each seed has only a very tiny amount of poison. You’d have to eat a large bowl of seeds to feel any effect. And you’d need to chew (咀嚼) them well—the hard, shiny outer coverings of apple seeds keep the poison locked inside. Unchewed seeds usually come out whole in your poop (大便). But cows and other animals often chew seeds up along with the fruit, so they can get sick after eating apples that fall to the ground.
Why would a tree make poisonous seeds? To stop animals from eating them. Amygdalin tastes terrible. It’s also found in leaves and other parts of fruit trees. If a deer or cow eats many apple leaves, it gets a terrible taste and an upset stomach. Animals soon learn to leave those trees alone. Thanks, amygdalin!
Do you want to prove the above idea? If you chew an apple seed up, you’ll notice a terrible taste. Gross! That’s the amygdalin. The apple tree doesn’t want you to chew its seeds up. It wants you to throw them out, so they can grow into new trees. Go right ahead!
Mirror, mirror, on the wall, who’s the cleverest fruit of all?
一、好词句深练
(一)根据语境用所给单词的适当形式填空
1. The forest at night seemed
magical
(magic), with fireflies dancing through the air.2. It’s necessary to keep that plant away from children because its flowers are
poisonous
(poison).3. The
shiny
(shine) new bicycle caught my eye as I walked past the shop.(二)用方框中词的正确形式替换下列句子中的黑体部分 sick harm
1. It might
harm
your eyes to read in dim light. ______2. She felt
sick
in the morning and decided to stay at home. ______(三)根据所给汉语,完成下列句子
1. We repaired the machine and it worked well
ever after
(从那以后).2. After eating the cold noodles, I got
an upset stomach
(胃不舒服).(四)仿写句子
It’s only the seeds that you need to avoid. (强调句型 It’s... that/who...)
仿写:不要太依赖别人,是你自己塑造你的未来。
Don't depend too much on others; it's yourself that shapes your future.
二、根据短文内容,回答下列问题(每小题答案不多于5词)
1. What does the queen do to kill Snow White?
She uses deadly poison.
2. It’s dangerous for humans to eat apples, isn’t it?
No, it isn't.
3. Please fill in the blank in the third paragraph.
Kill them/dead
4. Why do cows and other animals often get sick after eating apples?
Because they chew seeds up.
5. How will you feel if you chew an apple seed up?
I will feel terrible.
答案:
(一)1. magical 2. poisonous 3. shiny
(二)1. harm 2. sick
(三)1. ever after 2. an upset stomach
(四)Don't depend too much on others; it's yourself that shapes your future.
二、1. She uses deadly poison.. 2. No, it isn't. 3. Kill them/dead 4.Because they chew seeds up. 5. I will feel terrible..
(二)1. harm 2. sick
(三)1. ever after 2. an upset stomach
(四)Don't depend too much on others; it's yourself that shapes your future.
二、1. She uses deadly poison.. 2. No, it isn't. 3. Kill them/dead 4.Because they chew seeds up. 5. I will feel terrible..
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