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521．Our world is full of animals and plants.They make the world lively and colourful.Every living thing needs to reproduce（繁殖）to create more members.How do plants reproduce？They have to spread their seeds to other areas.Plants have developed all kinds of ways to do this.
The simplest way to spread seeds is through gravity（重力）.Many seeds are inside of fruit.When fruit gets too heavy，it falls from a tree to the ground.Apples spread this way.When you see this happening，you'll think of a certain scientist.
Some plants use wind to spread their seeds.Dandelions（蒲公英）are a good example of this.Dandelion seeds are so light that when wind blows，it carries dandelion seeds to new places.Maple （楓樹(shù)）seeds also use wind.Their seeds are connected with long，thin leaves that look like wings.When the seed falls from the tree，its "wings" help it fly farther from the tree.
Some animals help plants spread their seeds.Sometimes animals pick up the fruit and drop it in another area.That helps move the seed even farther away.Some animals eat the seeds：While the seed is in the animal's body，it stays whole.When the seed leaves the animal，it's in a new place.Ants also help spread seeds.Some seeds have a special smell that appeals to ants.The ants bring the seeds back to their home，which of course is underground.They only eat part of the seed.They leave the rest of the seed underground.After that，the seed can start growing.
（1）What do plants have to do to reproduce？
A．They have to make the world lively and colourful.
B．They have to spread their seeds to other areas.
C．They have to fall to the ground.
（2）Which scientist do you think of when-you see apples fall to the ground？
A．Newton.
B．Thomas Edison.
C．Albert Einstein.
（3）How do dandelions and maples spread their seeds？
A．They use wind.
B．They use ants.
C．They use animals.
（4）In the last paragraph，what does the underlined word "they" probably refer to（指）？
A．Animals.
B．Plants.
C．Ants.
（5）What's the best title for the text？
A．Why Animals Pick Up Seeds？
B．How Plants Spread Seeds？
C．How Wind Helps Seeds Spread？發(fā)布：2024/12/27 18:30:2組卷：4引用：3難度：0.5522．-I'm tired of cleaning the house．
-Robot cleaners_________more and more widely today．Why not buy one？（ ?。?/h2>發(fā)布：2024/12/27 18:0:2組卷：328引用：3難度：0.5523．-Look， what an old bridge! It looks so special!
-Yeah， it ______ nearly 500 years ago．（ ?。?/h2>發(fā)布：2024/12/27 18:0:2組卷：245引用：5難度：0.7524．We know the mosquitoes very well because they fly everywhere.They can be found almost all over the world，and there are more than 2，500 kinds of them.
No one likes the mosquito.But the mosquito may decide that she loves you.She？Yes，she.It's true that the male（雄性的）mosquito doesn't bite（咬）and only the female（雌性的）mosquito bites because she needs blood to lay eggs.She is always looking for things or people she wants to bite.If she likes what she finds，she bites.But if she doesn't like your blood，she will turn to someone else for more delicious blood.Next time a mosquito bites you，just remember you are chosen.You're different from the others!
If the mosquito likes you，she lands on your body without letting you know.She bites you so quickly and quietly that you may not feel anything different.After she bites，you will have an itch（癢）on your body because she puts something from her mouth together with your blood.By the time the itching begins，she has flown away.
And then what happens？Well，after her delicious dinner，the mosquito feels tired.She just wants to find a place to have a good rest.There，on a leaf or a wall，she begins to lay eggs，hundreds of eggs.
（1）" Mosquito " meansin Chinese.
A．蒼蠅
B．蜻蜓
C．蚊子
（2）We know the mosquitoes very well because.
A．they can be found easily
B．they fly here and there
C．there are many kinds of them
（3）If the mosquito doesn't bite you，it will.
A．get angry with you
B．be afraid of you
C．choose another one
（4）The mosquito bites you.
A．too quickly to let you know
B．when you're asleep
C．but doesn't like you
（5）Which of the following sentences is WRONG？
A．The itching begins after the mosquito bites you.
B．All mosquitoes like to bite people for blood.
C．Mosquitoes use blood to lay eggs.發(fā)布：2024/12/27 18:0:2組卷：3引用：2難度：0.5525．Tom：Lisa， （1）
？I called you just now，but you didn't answer the phone.
Lisa：I was reading a book called The Little Princess.
Tom：The Little Princess？Is it a good book？
Lisa： （2）.I can't even stop reading it.
Tom： （3）？
Lisa：OK.I will lend it to you after I finish reading it.
Tom：Thank you so much.By the way，I find it hard to learn English these days，what should I do？
Lisa： （4）.
Tom：That's a good idea.I will go to the library to borrow some English books now.See you!
Lisa： （5）!發(fā)布：2024/12/27 18:0:2組卷：7引用：4難度：0.7526．Today is a big day for me，the last time I spoke in class was three years ago and it was（1）
，I tried to say /w/，but made a strange sound，Everyone laughed，I haven't spoken in class since then.
（2），things have been changing a lot.Now when I listen to music through my headphones，I can follow without stuttering（結(jié)巴）!That's why I（3）to talk at the science festival today.
I arrived at school early，Ryan Colby，who enjoyed（4）at me；was standing by the entrance，He said， "Hey，Tom，guess what？" I tried to say，"What？" but got stuck on the /w/，He started laughing.I turned and ran.
I wasn't going to show up at the festival，but on my phone I got（5）from Dad，saying "good look".And I thought OK，I wouldn't let people like Ryan Colby make me feel bad any more.
When it was my（6）to speak，I just saw Ryan Colby.And then I was so（7）that I chose the wrong music.So，instead of Mozart，I was listening to dance music，I couldn't（8）myself talking in the same rhythm（節(jié)奏）as the music，It sounded like I was rapping（說(shuō)唱）.Most people in school never heard me speak，They were really surprised.When I finished，they all stood up and cheered.
After the festival，（9）wanted to be my friend.They thought I was a talented and skillful rapper!I（10）my phone at lunch time and found 187 new friend requests!And one of them was from Ryan Colby.（1） A．terrible B．beautiful C．exciting D．educational （2） A．Simply B．Luckily C．Usually D．Probably （3） A．had B．a(chǎn)greed C．feared D．forgot （4） A．looking B．shouting C．playing D．laughing （5） A．message B．method C．picture D．present （6） A．place B．job C．turn D．plan （7） A．serious B．nervous C．creative D．shy （8） A．mind B．finish C．stop D．spend （9） A．everyone B．someone C．both D．no one （10） A．repaired B．collected C．closed D．checked 發(fā)布：2024/12/27 18:0:2組卷：235引用：3難度：0.5527．
（1）You canLisa's Gym
Keep fit!Lose weight!
Play basketball，do yoga（瑜伽），dance and meet many new friends!
Price： ￥40/hour
Open time：Saturdays and Sundays
Tel：2133730A Concert
Do you like classical music？
Come to the concert on Friday evening．
The concert will begin at 6：30 in the Children's Palace
Ticket price：Adults： ￥120
Children（under 15 ）： ￥60The Ugly Duck
A wonderful play at People's Cinema．
Ticket price：￥80
Time：6：00 p．m．--8：00 p．m．
Dates：July 24th to July 27thSummer Job
Do you like to talk with people？
Do you like to work late？
Do you like to work for a restaurant？
Then come and work for us as a waiter
Please call Jenny at 8124697 for more information．at Lisa's Gym．
A．watch a movie
B．play basketball
C．go to a concert
D．find a job
（2）Miss Green is going to dance at Lisa's Gym and she can go there on．
A．Wednesday
B．Thursday
C．Friday
D．Saturday
（3）Mr．a(chǎn)nd Mrs．White and their 14-year-old son have to payfor the concert．
A．￥300
B．￥180
C．￥240
D．￥120
（4）Jack can watch a play at People's Cinema．
A．a(chǎn)t 6：00 a．m．on July 23rd
B．a(chǎn)t 4：00 a．m．on July 24th
C．a(chǎn)t 6：00 p．m．on July 25th
D．a(chǎn)t 4：00 p．m．on July 26th
（5）Linda wants to find a job during her summer holiday，she can call．
A．8967234
B．8567234
C．8213373
D．8124697發(fā)布：2024/12/27 18:0:2組卷：118引用：12難度：0.8528．Teenagers believe anything is possible if they study hard.But they often forget to think about healthy diets（飲食），enough sleep time and exercise.In fact，these things are really important for them，to keep healthy.It's important for teenagers to get enough energy.Teenage girls need about 2，200 calories a day while boys need a bit more—doctors suggest 2，800 for teenage boys.50%of their calories should come from.healthy food—rice，vegetables and fruit.People often say"An apple a day keeps the doctor away".Teenagers also need to drink a lot of water，6 to 8 glasses a day.
Teenagers usually need eight to ten hours' sleep at night.jye.ai many Chinese teenagers do not get enough sleep.A report shows that without a good night's sleep，teenagers seem to be weaker than they should be.Too much homework is not the reason why teenagers stay up late now.Some use mobile phones late into the night.Teenagers should develop good study habits.
Exercise is something that can help them.Experts suggest that teenagers should exercise at least five times a week.They will feel relaxed when they exercise.It can even help them to sleep better at night.
（1）What are important for teenagers to keep healthy？
（2）Who need more calories，teenage boys or teenage girls？
（3）How many hours' sleep do teenagers usually need at night？
（4）How often should teenagers exercise？
（5）Can exercise help teenagers to sleep better at night？發(fā)布：2024/12/27 18:0:2組卷：3引用：3難度：0.5529．
Do you like eating strawberries？Don't forget to wash them （1）many ，with ，careful ，suggest ，list before eating．According to the US Environmental Working Group （EWG） strawberries tend to have the（2）pesticides （農(nóng)藥）．
The EWG also listed other dirty fruits based on pesticide contamination （污染）．Are there any that you like to eat on their（3）？ "Dirty five"：strawberries，spinach，nectarines，apples and grapes．
The group（4）that people can wash these fruits and vegetables under tap water for 30 seconds．This can help to get rid of pesticides．
The group also listed "clean fruits and vegetables"（5）the least amount of pesticides．Let's take a look! "Clean five"：avocados，sweet corns，pineapples，cabbages and onions．發(fā)布：2024/12/27 18:0:2組卷：20引用：2難度：0.6530．As more and more people are turning to a simple lifestyle，they would like to sell their used things at a low （1）
.Buying second-hand things not only costs less money，but also is good for the environment.It is becoming （2）these days.Buying second-hand books is a good example.
A college student said， " When I want to buy books，I'll first go to the second hand markets or （3）some second-hand bookstores online.Such books are much cheaper—as much as 70 percent lower than new ones.If I'm （4）enough，I can even get books that are almost new.Since I have limited （限制） pocket money，it's a perfect choice for me. "
Besides lower prices，people can also （5）out-of-print books.The 45-year-old lady，Wang Min has bought many （6）classic books.She said， "The first old books I collected were Journey to the West.I （7）reading this kind of small comic books in my primary school.I happened to see them at a second-hand （8）.It was really a pleasant （9）.After that，I often go to second-hand markets to look for old books. "
Buying used books can even connect readers.A 22-year-old college student，Zhao Yue，once found a note in a second-hand book she bought. "The book owner （10）her thoughts and hoped the buyer would enjoy the book.It was so heart-warming."she said. "Now I'm doing the same thing，too. "（1） A．voice B．price C．weather D．speed （2） A．popular B．helpful C．proud D．lively （3） A．look up B．look after C．look through D．look at （4） A．rich B．free C．silent D．lucky （5） A．find B．create C．request D．produce （6） A．new B．old C．cheap D．expensive （7） A．a(chǎn)voided B．finished C．enjoyed D．stopped （8） A．market B．form C．product D．corner （9） A．pride B．secret C．treat D．surprise （10） A．reviewed B．shared C．stole D．processed 發(fā)布：2024/12/27 18:0:2組卷：28引用：3難度：0.7
