What if we meet with a situation_____none of us are able to deal with? ?
A. where B. in which? C. what D. that ?
科目：高中英語 來源： 題型：閱讀理解
Things similar continuously happened in Haiti and Chile．Thousands of people were
buried in the earthquake and lost their fives．What if we could have warned them? People are always trying hard to find a way of preventing building collapsing(坍塌)．Better materials and technology help，but are not a solution．Just like humans，a building has its own life circle from “birth” to “death”．If we know when a building is going to collapse，we can repair it in advance or get out before it falls．
Now, scientists at the University of Illinois have developed a material that turns red before it breaks．The invention could be used in things like climbing ropes，or bridge supports．The secret behind the color-changing material is a type of molecule(分子)．A molecule is a group of atoms held together by chemical bonds(化學鍵)．Imagine you and your friends standing in a circle，holding hands．Each person stands for one atom，your hands represent the bonds，and the entire circle represents a molecule．If one person lets go of his or her hands，the molecule changes color．The research team put the molecule into a soft material．When the researchers stretched(拉長) the material：it turned bright red a few seconds before it broke into two pieces．
When they repeatedly stretched and relaxed the material，without breaking it，it only turned a little red．
The major problem is，light can get rid of the red color．When the team shone a bright light on the molecule，the broken bond was fixed，and the color disappeared．If bright fight keeps the red color from appearing，the material’s warning system will be useless．Scientists still have a lot of work to do before the color-changing molecule can be used outside the lab．
The passage mainly about
A. a way of preventing building from breaking down
B. a series of earthquakes in Haiti and Chile
C. a way of warning before buildings collapse
D. a newly-discovered structure of a molecule
According to the passage，we can conclude that
A．there are problems to solve before putting the new material to use
B．scientists have found the life circle of buildings from “birth” to “death”
C．bright fight makes the red color visible to human eyes
D．the new material is unlikely to be used in building bridges
The color-changing molecule can
A．make building materials much stronger
B．help building materials get stretched if necessary
C．prevent the earthquake from killing people
D．remind people to leave buildings before they fall
The warning system is based on the fact that
A．red color won’t show up when it meets bright fight
B．a material with a certain type of molecule Can turn red when stretched etched
C．a building has its own life circle of “birth” to “death”
D．the broken bond will fix itself when a molecule meets bright fight
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科目：高中英語 來源：2012-2013學年安徽省六安市新安中學高一上學期期中考試英語試卷（帶解析） 題型：完型填空
Last weekend, my kids along with a few other kids from the neighborhood volunteered to help me wash my car．My 10-year-old daughter came up with the idea of 1 other people’s cars as well．It was pretty 2 outside and I had no plans to 3 being in the bright sun．She 4 wanted to give lemonade（檸檬汽水）to passers-by for free．I had seen little kids 5 and sell fresh lemonade for a small cost but not free．Although I felt 6 , I decided to help her．
7 she asked me, “What if we 8 this a smile car wash?” I couldn’t hold back my tears and 9 her and the other kids to go outside the house and 10 creative ideas．While I kept myself busy in drying the car, the gang walked up to me with a（n） 11 with beautiful images of smiles．They had “Free Car Wash” written on it and the 12 of their exercise was “smile”．It was pretty neat to see a team of kids ranging 5-11 years with the 13 to do something for others．
All that seemed 14 and came right from their heart．Nothing seemed to 15 to them: their playtime, the heat outside—they just wanted to 16 others and do something nice in the community!
I helped them make some fresh lemonade and brought out some additional 17 to help clean cars．Passers-by were 18 and one even shouted back to them saying “God Bless You, my kids…” One of them even tried giving them 5 dollars, which they 19 ．A pretty heartwarming scene !
I felt blessed by being surrounded by such wonderful and loving 20 ．
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科目：高中英語 來源：天津市一中2009-2010學年高二下學期期中檢測英語試題 題型：閱讀理解
IV. 閱讀理解（30%）
The future is time that is to come. The future is not the present or the past. It is later. We have seen many possible futures in science fiction. They range from the world’s polar ice caps melting to nuclear winters. But not all futures are this morbid. We have seen the human race spread all over our universe, humans and aliens living in harmony together all over the universe.
It is very likely that we will make some kind of breakthrough in our ability to travel through space sometime in the next 150 years. This would give us the ability to rule other planets. Ultimately, the earth will die whether it be 1,000 years or 100,000 years. We will be forced to move to another planet then. It’s really just a matter of time. When we do so, what will we discover?
Personally, I think everyone will be speaking the same language in 200 years. A world government definitely seems to be in our future. It is stable and has few wars. Indeed, the only type of wars that can happen is the civil war.
And what if we face aliens? If they are friendly, we would probably benefit a lot from putting our knowledge together. They must have advanced technology to travel for great distances. We could seriously benefit from their technology. But if they aren’t friendly, then we are in trouble. Hope that we have become advanced enough, smart enough, and generally a better race by the time we meet them. But this is all probably being discussed for nothing, because any race out there among the stars is probably as curious as we are about other creatures.
1. The underlined word in Paragraph 1 can be replaced by ___________.
A. unpleasant B. shocking C. expected D. serious
2. What will humans do if the earth dies?
A. Humans have to face death. B. Humans will travel and live in space.
C. Humans will move to another planet. D. Humans will go back to the past time.
3. According to the author, the following statements are right about aliens EXCEPT that _________.
A. we can learn from aliens if they are friendly
B. when aliens arrive, humans will be smarter than them
C. aliens may be as curious as we human beings about other planets
D. aliens have more advanced technology than us
4. After reading the passage, we can know that the passage is based on_________.
A. scientific facts B. time and space
C. advanced technology D. the author’s imagination
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科目：高中英語 來源：2015屆山東省高一下學期期中考試英語卷（解析版） 題型：單項填空
What if we meet with a situation _______ none of us are able to deal with?
A．where B．in which C．what D．that
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