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 |
完形填空（共10分）
One day,Mary ______ shopping with her mother.When they reached ____ the supermarket,Mary was very ____.There were many nice things and many people _____it.
Mary’s mother told her ______her.They walked around and they _______some things for breakfast.
When they came to one shelf(货架).Mary ______ some boxes of chocolate.Mary wanted her mother to buy some______ her.
Her mother gave_______a box of brown chocolate.Mary shook(摇晃)her head.She wanted a box of white chocolate.Her mother didn’t understand her.
“Why do you want a box of white chocolate?” asked her mother.
“I will not bite my fingers(咬手指) when I eat them ______ night.” Answered Mary.
After hearing this,Mary’s mother laughed and they left the supermarket happily.A.wentB. goC. goes
A.toB.atC./
A.happyB.sorryC.sad
A.onB.forC.in
A.to go with B.went with C.going with
A.boughtB.tookC.brought
A.looked B.watchedC.saw
A.to B.for C.with
A.her B.she C.him
A.onB.in C.at
完形填空（共10小题；每小题1分，满分10分）
Hello! ______ name is John. I’m 13 years old. I’m ______ Class Two, Grade One. I have a friend at school. ______ is a boy. His name is Dave. His telephone number ______ 86123489. I often go ______ with him in the swimming pool. Oh, this is his ______. It’s ______ the floor. I like ______ photos (摄影). Because it makes me happy. Look, here is a photo of my family. This is my mother and ______ is my father. I love them very much and _____ love me, too.
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完形填空（共10小题；每小题1分，满分10分）
阅读下面短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。
My friends and I had just finished lunch at a hotel when it started to rain heavily. When it became lighter, I decided to get my which was parked at my office three streets away.
My friends that I shouldn’t go, mainly because I was seven months pregnant (怀孕的) then. I promised that I’d be very . One of them wanted to come with me but I insisted that she stayed with another friend who needed help her baby.
I walked out of the hotel and started making my way to the car. At the crossing, a van stopped and a man came out with an umbrella. Before I knew what was happening, he walked right me and told me he’d escort (护送) me. Although I refused, he insisted that he would.
During our walk, he kept telling me to walk slower, as the ground was . When we got to the car-park, I thanked him and he went away. I did not get his name and can recognize (认出) him now. Did he stop for me? I’ll never know.
So how did I pay it forward? I was at home when I noticed two Indian workers in the heavy rain. They were probably on their way to the working place near my home. I went out and passed them my , telling them they should take and keep it. They were surprised by my action. They were very grateful to me, probably why a stranger was offering such kindness. I was so relaxed and happy that day.
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完形填空（共15小题，每小题1分，计15分）
阅读下面短文，掌握其大意，然后从各题所给的四个选项中选出一个最佳答案。
The little boy entered the house, unhappy. His mother was cakes in the kitchen. She smiled as she , but stopped when she saw his face. "Tyler, happened? Is everything okay?"
"Nothing is okay, mom." said the boy," Today, in our science lesson, Mrs. Green was talking about the . She said that the whole world is getting dirtier and that many animals and plants are dying. She wants us to think of something we can do to help. I thought all the way, but there is I can do to make a difference. "
"Let me tell you ." the mother said after thinking for a while. "One morning a man was walking down a beach, there he saw thousands of starfish covering the beach, they were pushed up by the waves(浪), and it was too far up for them to make their way back by .The man shook his head as he walked along, 'What a pity! So many starfish will die on the beach.' The man felt very sorry those starfish. He went on walking and just at that time he was to find a boy in front who was throwing the starfish back into the sea as as he could,' How silly you are! My ,' the man said, 'There are so many starfish, can you throw all of them back？' The boy didn't stop but kept throwing,' I can't help them all I can make a difference to this one, and this one, and this one, and this one. "
"Thinking for a moment, the man to help return the starfish to their home. He smiled and said to himself, ' Sometimes the biggest lesson in life comes from the person. "
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Yoga（瑜伽） is a kind of sport. It is very around the world now. Everyone can do yoga. It’s good both men and women.
Why do more and more people yoga? It’s hard to say. The short answer is that yoga helps you fit. For many people, this answer is enough, there’s more if you have an interest in it.
Yoga in India about 5000 years ago. At that time, people wanted to be free, and live a long life, so this kind of exercise was born. Yoga is a Sanskrit（梵语） word and it “to join together”. There are parts in yoga: exercise, breathing and thinking. If you do in yoga, it can give you peace（平静） and help you feel less stressed（更少的压力）.
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