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1011.At the start of the 20th century,an American engineer named John Elfreth Watkins made predictions about life today.His predictions about slowing population growth,mobile phones and increasing height were close to the mark.But he was wrong in one prediction:that everybody would walk 10 miles a day.
Today,in Australia,most children on average fall 2,000 steps short of the physical activity they need to avoid being overweight.In the early 1970s,40 per cent of children walked to school,while in 2010,it was as low as 15 per cent.
The decline is not because we have all become lazy.Families are pressed for time,many with both parents working to pay for their house,often working hours not of their choosing,living in car-dependent neighborhoods with limited public transport.
The other side of the coin is equally a deprivation:for health and well-being,as well as lost opportunities for children to get to know their local surroundings.And for parents there are lost opportunities to walk and talk with their young scholar about their day.
Most parents will have eagerly asked their child about their day,only to meet with a "good",quickly followed by "I'm hungry".This is also my experience as a mother.But somewhere over the daily walk more about my son's day comes out.I hear him making sense of friendship and its limits.This is the unexpected and rare parental opportunity to hear more.
Many primary schools support walking school-bus routes,with days of regular,parent-accompanied walks.Doing just one of these a few times a week is better than nothing.It can be tough to begin and takes a little planning---running shoes by the front door,lunches made the night before,umbrellas on rainy days and hats on hot ones-but it's certainly worth trying.
(1)Why does the author mention Watkins' predictions in the first paragraph?
A.To make comparisons.
B.To introduce the topic.
C.To support her argument.
D.To provide examples.
(2)What has caused the decrease in Australian children's physical activity?
A.Plain laziness.
B.Health problems.
C.Lack of time.
D.Security concerns.
(3)Why does the author find walking with her son worthwhile?
A.She can get relaxed after work.
B.She can keep physically fit.
C.She can help with her son's study.
D.She can know her son better.發(fā)布:2024/5/23 20:38:36組卷:10引用:2難度:0.51012.
發(fā)布:2024/5/23 20:38:36組卷:1引用:1難度:0.81013.The scientist decided to find a way to help the children
這位科學家決定找到一個辦法來幫助這些被電腦游戲控制的孩子。發(fā)布:2024/5/23 20:38:36組卷:3引用:1難度:0.91014.Blackbirds in the cities live longer but have worse health than their country cousins in the forests,a study has found.It seems that just like people who move to the city to earn more money,blackbirds may get more food in the city.The bright city lights may make it easier to hunt for worms for longer.But along with the better rewards comes more stress—in the form of a longer working day,noise and pollution.
Biologists from the University of Groningen in the Netherlands studied blackbirds in several Spanish cities by getting blood samples from both young and old blackbirds in these cities and the nearby forests.They examined their DNA and found that the ends of the birds' DNA strands called telomeres(染 色 體端粒)were much shorter in the city birds.City birds showed signs of ageing too early,meaning they are in a worse state of health.
However,according to the research,the number of old birds was greater in cities than in the forests,suggesting that blackbirds live longer in the city.Biologist Juan Diego Ibanez-Alamo said, "The death rate is lower in the cities,so the advantages of city life make up for the ill health effects.One possibility is that there are fewer natural enemies of the blackbirds in the city,which means they can live longer." He also found that artificial light allowed blackbirds to become active up to five hours earlier in the morning than those in quieter,unlit areas,allowing them to gather more food and live longer.
Researcher Juan Diego Ibanez-Alamo said that blackbirds were very suitable for studying the effects of city life on people,as they are a common sight in many city gardens and in their original forest areas.
(1)The study by the University of Groningen in the Netherlands shows that
A.more young blackbirds live in cities
B.blackbirds in cities are in poorer health
C.the shorter DNA strand is a sign of long life
D.country life makes the blackbirds easily get old
(2)What may make blackbirds in cities live longer?
A.Artificial lights.
B.Natural enemies.
C.Severe pollution.
D.Loud noise.
(3)The research is most probably done to prove city life has a big influence on
A.the life of blackbirds
B.environmental protection
C.the balance of nature
D.human health發(fā)布:2024/5/23 20:38:36組卷:10引用:1難度:0.41015.She earns more since she repackaged herself as a business
發(fā)布:2024/5/23 20:38:36組卷:5引用:1難度:0.91016.【教材原句】There are various reasons why people compose poetry.
【句式分析】why引導定語從句,修飾先行詞 reasons.
【佳句仿寫】你真正應該做的是找出你考試不及格的原因。
What you really need to do is(to) figure out發(fā)布:2024/5/23 20:38:36組卷:2引用:2難度:0.91017.The engineer worked out the size of each bathtub
發(fā)布:2024/5/23 20:38:36組卷:2引用:1難度:0.91018.Anna was very picky(挑剔的)about food.She never ate the wonderful pizzas or ice creams her mother made,which was her parents'(1)
One day,they went to see a(4)
It started playing sounds:waves'(6)
"Anna isn't ill, "said the doctor. "She can understand each type of food's own(17)
These days,they all look slim,(20)
What did your dinner sound like today?(1) A.ideal B.a(chǎn)greement C.favourite D.challenge (2) A.thick B.weak C.clean D.slim (3) A.Suddenly B.Specially C.Sincerely D.Naturally (4) A.plate B.machine C.doctor D.girl (5) A.depended B.passed C.lived D.turned (6) A.sweet B.relaxing C.strange D.surprising (7) A.compared B.helped C.covered D.replaced (8) A.stopped B.traveled C.began D.continued (9) A.hated B.created C.refused D.enjoyed (10) A.dropped B.washed C.changed D.offered (11) A.farm B.pet C.forest D.sea (12) A.break B.lie C.burn D.sit (13) A.stood B.came C.spoke D.picked (14) A.a(chǎn)mount B.colour C.type D.quality (15) A.terrible B.beautiful C.serious D.quiet (16) A.ordered B.a(chǎn)sked C.a(chǎn)llowed D.taught (17) A.character B.music C.habit D.requirement (18) A.grown B.sold C.prepared D.played (19) A.wonderful B.heavy C.original D.traditional (20) A.though B.since C.therefore D.if 發(fā)布:2024/5/23 20:38:36組卷:40引用:3難度:0.21019.The swimming pool is open to families in the neighborhood without
發(fā)布:2024/5/23 20:38:36組卷:2引用:1難度:0.71020.In
發(fā)布:2024/5/23 20:38:36組卷:3引用:1難度:0.7
