What will astronauts （字航员） eat when a space trip takes years？
"Lots of fresh vegetables，" says Dr． Janet Williams， whose team have spent the last 10 years learning how to grow plants in a space station． And it's a good thing that she has already started her work， because space gardening can be really hard．
As usual， astronaut George White looked into the closed plant room． He had planted Dr． Williams's quick﹣growing seedlings in it， but none of the stems were showing． He opened the room to check and found the problem． The stems weren't growing upward and the roots weren't growing downward． On Earth， gravity （重力） helps a plant's stems and roots to find"up" and"down"． However， in the space station，there was almost no gravity．
Dr．Williams suggested a solution： give the plants more light，as plants also use sunlight to find their way． And it worked． When the plants had more light， the stems turned up and the roots went down．
Now Dr．Williams was free to worry about the next problem： Would her baby plants live to flower？ Can we grow food on a space journey？
Many plants died in the space station． Dr．Williamns thought she knew why： the space plants were hungry for air． Plants live by taking up CO 2from the air． Since a plant uses itup in the air around， the plant needs moving air to bring more CO 2close to its surface． On Earth， the air is always moving． Gravity pulls down cold air， and warm air rises． And with these air movements，plants get enough CO 2．
Many earier experiments with plants in space hard used closed rooms． Dr Williams tried a new greenhouse that had a fan to keep the air move． The plants loved it． They flowered and even produced more seeds． Using Dr． Williams's method， astronaut George completed the first seed﹣to﹣seed experiment in space， and moved one plant closer to a garden in space．
"And this，" says Dr． Williams，"is good news for long﹣term space travel．"
（1）Why have Dr． Williams's team tried to grow plants in space？
| A． |
To produce fresh air for astronauts． |
| B． |
To help astronauts relax themselves． |
| C． |
To provide food for long space journeys． |
| D． |
To make the space garden more beautiful． |
（2）How did light help solve the problem mentioned in Paragraph 3？
| A． |
It caused the gravity to change． |
| B． |
It encouraged the plants to grow faster． |
| C． |
It helped the plants to grow in the right direction． |
| D． |
It showed the astronauts where to plant vegetables． |
（3）Why did many plants die in the space station？
| A． |
The light was too strong． |
| B． |
There was too much CO 2． |
| C． |
There was not enough room to grow． |
| D． |
The air condition was not good enough． |
（4）The underlined word "it" in Paragraph 7 refers to ．
| A． |
the moving air |
| B． |
the closed room |
| C． |
the space journey |
| D． |
the space garden |
（5）What can we learn about Dr． Williams's team from the passage？
| A． |
They mainly live on fresh vegetables． |
| B． |
They have successfully built a space garden． |
| C． |
They invented a special fan for their greenhouse． |
| D． |
They have worked on space gardening for many years． |
| Five interesting sports Our most unusual sports from around the world Every country has a national sport and some popular sports are now played across the world． However， in most countries， people also play unusual sports， with strange or interesting rules． Here are our top five unusual sports from around the planet． Man Vs． Horse Marathon This race takes place in a small town in Wales， about 200 miles from London． It's called a marathon （马拉松）， but it's actually 35.4 km， not 42.2 km like a usual marathon． People race against horses across the hills and mountains． It started in 1981， but a human did not win until 2004． Camel Wrestling In Turkey， camel （骆驼） wrestling is a very old sport， The largest camel wrestling competition takes place every year and thousands of people come． In the sport， two camels fight against each other． Sometimes the camels do not want to fight and they run through the crowds，which can be dangerous． Dragon Boat Racing Every year in China， thousands of people watch dragon boat races． A dragon boat is a traditional Chinese boat with a painted dragon's head on one end． There can be up to 36 people or more racing in each boat in the water． Dragon boat racing is also popular in some other Asian countries． Caber Toss In this sport，players compete to throw a large piece of wood called a caber as far as they can．There is no rule about the size of the caber， but it's usually the size of a small tree．It's an ancient Scottish sport． Visitors to the UK can check it out． Chess Boxing A good chess boxer needs to be both strong and smart． Players play a round of chess， followed bv a round of boxing． There are eleven rounds in total． Chess boxing was invented in 1992 by an Engish comic bok witer． The sport is more popular in England and Germany． |
（1）What can we leamn about Man vs． Horse Marathon？
| A． |
It is an outdoor sport． |
| B． |
It first appeared 16 years ago． |
| C． |
No human has ever won the game． |
| D． |
It follows the rules of a usual marathon． |
（2）Which of the following is mentioned about Camel Wrestling？
| A． |
It should be stopped． |
| B． |
It's worth seeing． |
| C． |
It's unfair to the animals． |
| D． |
It's sometimes dangerous to watch． |
（3）Which picture best describes Caber Toss？
（4）Which sport is popular in Asia？
| A． |
Man vs． Horse Marathon． |
| B． |
Dragon Boat Racing． |
| C． |
Caber Toss． |
| D． |
Chess Boxing． |
（5）How many sports have animals as players？
| A． |
1． |
| B． |
2． |
| C． |
3． |
| D． |
4． |
How would you like to build a time machine？ Paper， sticks， glue and string are all you need．Put them together to build a kite． A kite connects you to the past．
No one knows who flew the first kite． It was probably someone in China or perhaps Indonesia．Indonesian fishermen hung fishhooks on kites and sent them out to sea to catch fish． Starting 2.000 years ago， Chinese farmers flew kites to welcome the New Year and bring good luck to Earth．
In China， people also used kites during wartime． One Chinese story tells how soldiers put，noise makers on kites and flew them at night over the enemy camp． The enemies were frightened by the noise and ran away．
About 1300 years ago，Chinese taveles took kites to Japan．Soon kites flew in the skies there．Kites reached Tailad about 700 years ago． During foods， Thai farmers flew kites over the fields．They hoped the kites would drive away the clouds and stop the rain．Over time，kites flew their way out of Asia． Today，kites are a passionall over the world． Kite fans meet at festivals in many parts of the world and have great fun．
Over the years， Kites have also belped people understand the natural world．In 1749， for example，thermometers were tied to kites to measure temperatures． In 1906， cameras hanging from kites took pictures of San Francisco， California afer an cearthquake． The photos helped people plan what to do．
Kites also helped inventors find out how to make airplanes．The Wright brothers studied how kites flew， which helped them make the first sucessful airplane．
Since the ancient Chinese first set their kites into the air， people have loved flying kites． Kites give us ways to celebrate， reclax and explore． So go fly a kite! Enjoy the feeling of wonder that kite flyers have felt for centuries．
（1）According to the passage， in which countries were kites used to make good wishes？
| A． |
China and Japan． |
| B． |
China and Thailand． |
| C． |
Japan and lndonesia． |
| D． |
Thailand and Indonesia． |
（2）According to the Chinese story， the army used kites to ．
| A． |
make the enemies leave in fear |
| B． |
celebrate victories during wartime |
| C． |
stop the enemies from sleeping well |
| D． |
carry soldiers to fight against the enemies |
（3）The underined word "passion" in Paragraph 4 means ．
| A． |
strong love |
| B． |
useful machine |
| C． |
happy dream |
| D． |
common treasure |
（4）How does the writer develop Paragrapb 5？
| A． |
By tlling stories． |
| B． |
By listing numbers． |
| C． |
By comparing facts． |
| D． |
By giving examples． |
（5）What's the purpose of this passage？
| A． |
To show people how to fly kites． |
| B． |
To explain bow kites are used in science． |
| C． |
To introduce the roles of kites in history． |
| D． |
To discuss the difference among kites worldwide． |
"Amy! Milk!" Mama called．
Milk． It was Amy's turn to get it． Amy sighed and shut her first﹣aid （急救） book．
Amy tied the cow close to a tree． Somewhere down the mountain， some volunteer doctors were teaching medical skills to village nurses．Amy heard Betty drive off hours ago．"She should have taken me with her．She thinks I'm too young，"Amy thought． "But she's wrong． I am already 15!"
Amy carried the milk back to Mama， then wandered up the road． Roy， a village boy， was trying to stand on a horse's back．"No wonder they don't trust kids with anything important，"Amy thought．
She had just turned away when she heard a heavy fall and a few cries． Roy was on the ground．"Roy!" The kids nearby ran towards him． "Get Betty，" one said． Amy shook her head．"Betty's gone to the city．"
The kids didn't know what to do． Amy ran to Roy and saw one of his legs out of shape． A broken leg! She remembered what the first﹣aid book said about it．
"Victor!" Amy called to one of the boys．"Go get Roy's mama， and find someone with a truck．"She turned to the others．"Give me your shirts． We need something to tie his leg with．"
Amy then found a strong，straight stick．She carefully wrapped the shirts around Roy's leg and the stick．Roy cried out in pain．"I know it hurts，" Amy said softly．"But this will hold it still until you get to the hospital．"
When Amy was done， she looked up and saw Roy's mama and a man watching beside a truck．"Thank you， Amy，" Roy's mama said． Amy helped them lift Roy into the truck， then they drove down the hillside towards the hospital．
The next day， Betty came to Amy's home．"I heard what you did，" Betty said．"You kept your head in an emergency． That's an important skill．"
Amy's face turned red．"I was afraid …"
Betty shook her head．"It's OK for a nurse to be afraid， as long as she has a clear head．The volunteer doctors are coming tomorrow with vaccines． We need some more hands． Can you help？"
"I'd love to．" Amy replied at once．
"Come early， then． There is a lot to learn．"
Amy smiled．"I'll bring my first﹣aid book．"
（1）Why didn't Betty take Amy with her to the medical training？
| A． |
Amy was busy reading． |
| B． |
Amy had to milk the cow． |
| C． |
Betty left too early in the morning． |
| D． |
Betty thought Amy wasn't old enough． |
（2）What happened to Roy？
| A． |
He fell off the horseback． |
| B． |
He was kicked by the horse． |
| C． |
He successfully stood on the horseback． |
| D． |
He was pulled off the horseback by the kids． |
（3）What is the correct order of Amy's first﹣aid actions？
a． She found a proper stick．
b． She helped lift Roy into the truck．
C． She asked the boys for some shirts．
d． She tied the shirts around the broken leg．
e． She sent someone to get Roy's mum and a truck．
| A． |
c﹣e﹣a﹣b﹣d |
| B． |
a﹣c﹣e﹣d﹣b |
| C． |
e﹣c﹣a﹣d﹣b |
| D． |
e﹣c﹣a﹣b﹣d |
（4）Why did Betty invite Amy to help the doctors in the end？
| A． |
Amy had similar experiences before． |
| B． |
Amy was cool﹣headed when giving first﹣aid． |
| C． |
Betty regretted not taking Amy to the training． |
| D． |
Betty realized that Amy had become a good doctor． |
（5）Which sentence best describes a lesson from the story？
| A． |
Only trained doctors and nurses can provide first﹣aid． |
| B． |
Knowledge from books can help solve real﹣life problems． |
| C． |
Children need enough practice before they can be helpful． |
| D． |
Helping with housework is important to children's health． |
粤公网安备 44130202000953号