【題目】 —Don’t step on the grass next time, Mike.
— _______.
A. Is that so? B. Don’t worry
C. I don’t know D. Sorry, I won’t.
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科目:初中英語(yǔ) 來(lái)源: 題型:
【題目】Human, Don’t Come too Close
Frequent touching from humans may change plants’ genes and slow their growth. |
When we see babies or pets, we can’t help gently touching them to show our love. And they give us happy feelings back. But a recent study shows that it’s different for plants.
A study, published in The Plant Journal, shows that plants don’t “l(fā)ike” to be touched. That’s because touching changes their genes (基因) and, even worse, can slow their growth.
Professor Jim Whelan of the La Trobe Institute in Australia gave an explanation. “The lightest touch from a human, animal, insect, or even plants touching each other in the wind, leads to a huge gene change in the plant,” Science Daily reported.
In order to test the theory, the scientists did an experiment on plants. They grew a number of plants to the age of four weeks. Then they touched them with a paintbrush every 12 hours over a 36-hour period.
They found that as a response to the touch, the mitochondria (線粒體) in the plants had been partly destroyed. The mitochondria, as Science Alert noted, are the “powerhouse of the cell (細(xì)胞)”. The mitochondria produce energy for the rest of the cell in both animals and plants.
If this “powerhouse” is weakened, the plants will lose a large amount of energy that should have supported their growth. Whelan further explained to Science Daily, “If the touching is repeated, then plant growth is reduced by up to 30 percent.”
Although the process does have a strong effect on plants, usually the plants survive. Touching changes the plants, but it’s not necessarily a bad change.
According to Science Alert, frequent touching or moving plants will make them grow shorter than other ones. The researchers believe this change, in some way, could be helpful. It may help plants fight threats to their health such as insects and bad weather.
The new research findings have led to a deeper understanding of the plants’ response to touching. And the research might “open up new ways to reduce sensitivity (敏感性) and improve growth in the future”, Science Alert reported.
【1】Why did the scientists do the experiment?
A. To test if touching can change the genes of plants.
B. To show that plants’ and animals’ genes are different.
C. To tell when touching has effect on plants and animals.
D. To find out why some plants grow more slowly than others.
【2】What did the scientists find in their experiment?
A. Repeated touching shortened the plants’ life by four weeks.
B. Touching slowed down plant growth by reducing energy for growth.
C. Repeated touching made plants die sooner than they were expected to.
D. Mitochondria in the plants couldn’t produce energy because of touching.
【3】What do the scientists think of the fact that touch makes plants become shorter?
A. The plants will be more likely to be attracted by insects.
B. The plants will be more easily harmed by bad weather.
C. The plants will be less sensitive to being touched.
D. The plants will be better at fighting dangers.
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科目:初中英語(yǔ) 來(lái)源: 題型:
【題目】I have so much homework to do today, I have to stay at home and do it.
A. but B. and C. so D. because
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【題目】Though he often made his little sister ______, today he was made _____by his little sister.
A. cry; to cry B. crying; crying C. cry; cry D. to cry; cry
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科目:初中英語(yǔ) 來(lái)源: 題型:
【題目】 How many books did you read last year? Lots of amazing and fun books came out in 2018. We pick two of the best books for you. One cares for the growth problems of teenagers and the other for human future.
The Stars Beneath Our Feet (It was written by David.) Before Christmas, a boy learned his brother has been killed. This made the holiday sad for him. One of his mom’s friends gives him a gift of Lego brick (樂(lè)高積木). He uses them to build a city and turns his life around. The writer wants us to find creative ways to deal with tragedy (悲劇). | |
Homo Deus (It was written by Yuval.) This book allows us to open our eyes and minds as we learn more about human beings. It tells how people in ancient times believed in gods and natural powers. But later, they questioned everything that they once believed. And what about the future? The writer thinks humans will depend on science. |
【1】The book The Stars Beneath Our Feet cares for ________.
A.growth problems of teenagersB.human future
C.holiday activities of humansD.ancient times
【2】What does the writer of Homo Deus want to tell?
A.How to deal with tragedy.B.The way of making Lego bricks.
C.Believing in gods and natural power.D.Humans should depend on science.
【3】You can get the information in a ________.
A.mapB.dictionaryC.textbookD.newspaper
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科目:初中英語(yǔ) 來(lái)源: 題型:
【題目】Many students ______ changes to show themselves in class because the class size is too big.
A. don’t giveB. aren’t given
C. haven’t givenD. won’t give
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科目:初中英語(yǔ) 來(lái)源: 題型:
【題目】
I have a problem. Her name is Luca. We do not see eye to eye.
Like yesterday, we saw the number 9, 999. She said, “All lose nines. They feel so... so purple!”
Purple? I saw it as logical and orderly. Not as colours. I think Luca and I live in different universes.
But we have to do a report on the Statue of liberty. I really doubt if I can work with her.
At our first meeting on Friday, we come up with a plan. She will make a Statue of Liberty, and I’ll write the report. But on Monday, with only one week until our report is due, she tells me she’s leaving to visit her great-grandfather for six days, because he’s ill. It means that I, the one who can’t even draw a stick figure, will have to make the statue. And she the one who doesn’t like to think logically, will have to write the report.
“Please be at my house at 2:00 on Sunday,” I say I cross my fingers.
While she’s gone, I spend lots of hours making the sculpture according to some directions I find online.
Sunday at 2:00 arrives, and Luca is late. Finally, I see her skipping down the sideway, carrying only a small piece of equipment
“What’s that?” I ask. “Where’s the report?”
“It’s a digital recorder,” she says. “A report didn’t feel right, so I did something else.”
I try to keep my voice calm as I say, “But this is not about feelings. It’s about the Statue of Liberty. Statues don’t have feelings.” Our project is due tomorrow. We’re doomed.
“Statues don’t have feelings, but my great-grandfather does.” Luca says.
Now I am quite sure that we’re from two different universes because I have no idea about what she’s talking about.
“I interviewed him about when he came to America and saw the Statue of Liberty,” she continues. “Listen.” She turns on the recording.
A scratchy voice comes on. “In Hungary, I had no food and hoped to go to America, where I could eat, have a better life. Finally I got on the ship. Then the sunshine started. Oh! There she was. Lady Liberty Like hope itself. All of us cried. All my life, I remember that feeling of seeing the lady.”
Looking at Luca. I think a while. “You are right That’s what the Statue of liberty is all about. Who says a report has to be on paper? I say quietly. And a smile spreads over her face.
Can you imagine what happens while we are making the presentation the next day? When Luca’s great-grandfather says “All my life. I remember that feeling, of seeing the Lady.” everyone is staring at our statue, quiet.
【1】The idiom “see eye to eye” in Paragraph 1 probably means “________”.
A.like each otherB.have good eyesight
C.want to see each otherD.share the same viewpoint
【2】What can we know about Luca from the passages?
A.She doesn’t like writing reports.
B.She is not a very friendly person.
C.She has her own ideas about the report.
D.She visits her great-grandfather to interview him.
【3】What does everyone think of their presentation?
A.Boring.B.Relaxing.C.EmbarrassingD.Moving.
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【題目】--- _______ ways to get on well with your classmates, or you will get yourself very lonely.
---OK, I’ll try my best.
A.To find B.Find C.Finding D.Found
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科目:初中英語(yǔ) 來(lái)源: 題型:
【題目】(2015年福州中考)—Don’t smoke here, Dad. Smoking ______ in public places.
—Oh, sorry. I’ll stop right now.
A. isn’t allowed
B. aren’t allowed
C. doesn’t allow
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