We know 1 about the universe(宇宙). It means the earth, the sun, the moon, the stars, and the space 2 them.
Most of the stars are much 3 than the moon, but they look smaller 4 they are far away from the earth. At night, the moon is high in the sky 5 a light. But the moon has 6 light of its own. The light of the moon comes from the sun. The sun gives us light, heat and life. And the plants, animals and men will die 7 the sun.
The earth goes around itself 8 . When the part of the earth 9 to the sun, it is day. The 10 part of the earth is night.
The earth is our homeland. We should love it.
A．many B．a lot of C．much D．few
A．in B．between C．among D．with
A．farther B．nearer C．warmer D．bigger
A．because B．so C．but D．and
A．looks B．like C．looks like D．as
A．not B．no C．little D．less
A．with B．without C．in D．on
A．a long time B．in the daytime C．all the time D．take after time
A．turns B．gets C．points D．changes
A．front B．following C．opposite D．same
Lifeart is a student﹣run organization which was （1） by one of my best friends at my school in Boston，US.It sells （2） by our friends and classmates and raises money for cancer（癌症） research.To collect more money，we set out onto the streets of Boston to sell our paintings to the public last spring.
We came to the subway station in order that we could get more （3） .Things didn't go well at first.It was（4） that day，so our paintings kept being blown away.All of us were quite （5） and were slow to ask people if they would consider buying our paintings.We were also worried about being driven away.
One of our girls，Luna，tried to talk to our first customer.Although he did not buy anything，it gave some （6） to the rest of us.With every new customer Luna brought to our little stand（货摊），we had more courage.I also stepped forward and talked to a Korean woman （7） .I felt a bit embarrassed when she said that she didn't have time.But thanks to this short conversation with the stranger，my courage （8） .I kept talking to more people，including some Chinese people.At the （9） of the day，we sold about 20 pieces of paintings.It might not be as much as we had expected，（10） the courage that we got made up for the day's shortcomings（不足）.
| （1）A.set up |
B.put up |
C.taken up |
D.made up |
| （2）A.magazines |
B.newspapers |
C.books |
D.paintings |
| （3）A.artists |
B.customers |
C.passengers |
D.strangers |
| （4）A.sunny |
B.rainy |
C.windy |
D.cloudy |
| （5）A.brave |
B.excited |
C.shy |
D.active |
| （6）A.knowledge |
B.courage |
C.way |
D.method |
| （7）A.passing on |
B.passing down |
C.passing away |
D.passing by |
| （8）A.grew |
B.dropped |
C.disappeared |
D.appeared |
| （9）A.beginning |
B.morning |
C.end |
D.middle |
| （10）A.and |
B.but |
C.though |
D.or |
A woodcutter was walking through the forest when a small tree called to him.It said， "Hello friend.Can you cut down those bigger trees？They are blocking（遮挡） the sun.It is so （1） here that I have no room to spread my roots（根）.Besides，I can't （2） the wind."
The little tree held out its tiny leaves.It looked so sad. "If those trees were gone，I would be able to（3） .A year from now，I'd be the biggest tree here，" It continued. "But for now，I'm just a small tree."
The man thought for a while and agreed.He walked over to the bigger trees and started cutting them down.Soon，he cleared lots of （4） around the small tree.Now it would be able to grow bigger and become the biggest tree in that area.
But something else happened instead.The sun's （5） came first，burning the small tree，which wasn't used to（适应） so much sunlight.Heavy wind and rain came﹣ without the bigger trees there，the small tree was hit by the storm.Soon，the tree was nearly（6） .
A snake saw what had happened and said，"You've been quite （7） .You brought this on yourself.If you had left the bigger trees alone，the sun and storm wouldn't have hurt you so badly.They （8） you.If you had just waited longer，you would have grown to be just as big as them.You would be strong.But now，you're nearly gone."
| （1）A.cold |
B.wide |
C.noisy |
D.crowded |
| （2）A.follow |
B.control |
C.feel |
D.stop |
| （3）A.grow |
B.live |
C.win |
D.rest |
| （4）A.grass |
B.wastes |
C.space |
D.leaves |
| （5）A.care |
B.heat |
C.fire |
D.wish |
| （6）A.lonely |
B.dead |
C.strong |
D.tired |
| （7）A.rude |
B.special |
C.lucky |
D.stupid |
| （8）A.served |
B.needed |
C.protected |
D.changed |
On the first day of school，Socrates（苏格拉底） told his students， "Today，we'll only learn one thing.That is to swing（甩动） your （1） forward and backward."
He showed them and （2） a result all the students laughed. "Sir，is it also learned？" one of the students laughed." Of course!You think this is a simple thing，but it （3） easy in fact." Socrates replied （4） .Hearing this，the students laughed even harder.
Without being a little angry，Socrates said， "In this class I'll teach you how to learn this action well.After that，start today， （5） you will do it 100 times a day."
At first，the students all swung their arms and said to （6） ， "How easy and funny it is!" Ten days later，Socrates asked， "Who still sticks to swinging his arm？" About 80% of the students （7） their hands.Twenty days later，Socrates asked， "Who still keeps on swinging his arm？"About 50% of them put up their hands while the other students（8） silent.Three months later，Socrates asked again.This time，（9） raised his hand except one student.He was Plato（柏拉图）.
Perseverance（坚持不懈） is the simplest yet most difficult thing in the world，because everyone can do it，but not everyone will do.Plato was very （10） just because of his perseverance.Only the one who can hold on a simple thing may make it.
（1）A.arm |
B.hand |
C.head |
D.leg |
（2）A.for |
B.in |
C.on |
D.as |
（3）A.won't |
B.doesn't |
C.isn't |
D.can't |
（4）A.seriously |
B.angrily |
C.happily |
D.sadly |
（5）A.but |
B.and |
C.or |
D.so |
（6）A.ourselves |
B.themselves |
C.yourselves |
D.himself |
（7）A.raises |
B.are raising |
C.have raised |
D.raised |
（8）A.kept |
B.sounded |
C.was |
D.began |
（9）A.everybody |
B.somebody |
C.anybody |
D.nobody |
（10）A.lucky |
B.unlucky |
C.successful |
D.unsuccessful |
Two years ago，I took a bus to visit a friend living on a farm.My friend promised to pick me up from the bus station.Once I （1） off the bus，I pulled my two suitcases（行李箱）and walked to the pickup area.Unluckily，my friend got stuck（困）in the heavy traffic and I had to wait （2） an hour at the pickup area.To make things worse，it started raining （3） half an hour later.Looking around，I was （4） to find that there was no place to take shelter（躲避）from the rain.Just as I was feeling helpless，a man driving a car stopped in front of me and handed me his （5） .I asked for his address so that I could mail it back when I finished using it.To（6） surprise，the man said， "You don't have to （7） it.Just pass the umbrella on to someone else when your car arrives." When my friend finally （8） ，I gave the umbrella to a lady carrying a baby who just arrived at the pickup area.（9） I left，I asked her to give it to anyone else in need of the umbrella.When I arrived at my friend's farm，I was very tired，but happy that I was able to pass （10） on to others.
| （1）A.get |
B.gets |
C.got |
D.am getting |
| （2）A.for |
B.at |
C.with |
D.of |
| （3）A.strongly |
B.heavily |
C.healthily |
D.brightly |
| （4）A.bored |
B.glad |
C.excited |
D.sad |
| （5）A.shirt |
B.umbrella |
C.ticket |
D.watch |
| （6）A.his |
B.your |
C.my |
D.her |
| （7）A.borrow |
B.buy |
C.pay |
D.return |
| （8）A.showed up |
B.gave up |
C.woke up |
D.stayed up |
| （9）A.After |
B.Before |
C.Because |
D.Unless |
| （10）A.politeness |
B.sadness |
C.illness |
D.kindness |
They weigh almost nothing.Yet they are（1） than steel.In fact，some spiders' webs are among the world's strongest materials， （2） they can be pulled longer than elastic（橡皮筋）.They can also be any （3） .Spider webs are amazing.
A spider has hundreds of small openings in its body.Silk comes out of these openings as a liquid（液体），and，as it reaches the air，it becomes tread﹣like.These （4） threads（线）come together to form a single thread.
The spider can make many different kinds of thread.The tread can be thick or thin，wet or dry，or sticky.Each kind has a different （5） .Some webs create an egg box.Others（6） hiding places.The most common purpose of a spider web，however，is to catch food.
There are many（7） the spider uses its web to catch food.For example some spiders produce a single thread.An inset then sits on it（8） realizing what it is doing，and becomes（9） .Slowly，the spider moves towards the insect.（10） ，it covers its food in silk.
Some spiders use a different kind of（11） ，They make webs that cheat insects.An insect sees the web and thinks it's a flower.It then（12） the web.The spider can feel even the smallest movement of the web，and rushes at the inset（13） it can get away.
Spider webs are so （14） that engineers have been studying them for years.They want to learn why they are so strong and elastic.However，for the moment，spiders are keeping their（15） .Although they have made great progress in science and technology，humans till haven't been able to copy natural webs.
| （1）A.stronger |
B.brighter |
C.heavier |
D.thicker |
| （2）A.so |
B.but |
C.if |
D.or |
| （3）A.shape |
B.price |
C.weight |
D.temperature |
| （4）A.wide |
B.broken |
C.tiny |
D.weak |
| （5）A.direction |
B.purpose |
C.size |
D.name |
| （6）A.provide |
B.choose |
C.find |
D.change |
| （7）A.problems |
B.reasons |
C.steps |
D.ways |
| （8）A.by |
B.for |
C.without |
D.in |
| （9）A.lost |
B.stuck |
C.excited |
D.burnt |
| （10）A.Sadly |
B.Clearly |
C.Suddenly |
D.Loudly |
| （11）A.help |
B.material |
C.power |
D.trick |
| （12）A.lands on |
B.moves towards |
C.flies over |
D.looks into |
| （13）A.when |
B.before |
C.until |
D.unless |
| （14）A.soft |
B.expensive |
C.important |
D.amazing |
| （15）A.habits |
B.plans |
C.secrets |
D.records |
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