.Failure can make a positive contribution to your life_________you learn to use it.
A.since B.unless C.until D.once
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一课四练系列答案科目：高中英语 来源： 题型：
Independent innovation（创新）has brought us a ___________in profits, 40% higher than in the traditional way.
A. boom B. failure
C. decrease D. suffering
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科目：高中英语 来源：2015届山西省高一10月月考英语卷（解析版） 题型：完型填空
I am always eager to do experiments, especially chemistry ones. It's _26_ to work with test tubes and beakers（烧杯） , even though sometimes my efforts end in__27___. Experiments were fun for me __28 a recent accident.
The 29 happened when I was heating a big test tube with an alcohol burner（酒精灯） , chatting to my partner while waiting for__30____ changes. All of a sudden, the tube cracked. Even though I jumped from my seat when I heard the crack, the hair on my forehead was __31____ as I was leaning too close to the test tube.
__32___ I had no time to be sad about my hair: the liquid in the test tube poured onto the table and caught fire. I'd never 33 _ anything so bad! My___34___went blank （空白）for a moment. Then I quickly covered the fire with a damp cloth to__35____.
The teacher told me that the test tube broke in half at the bottom because we didn't dry it properly before __36___ it.
We calmed down and did the experiment, again. But our hearts were still __37____ rapidly even after we walked out of the lab.
But my bad __38___ didn't end there! Since all __39 was focused on the flames while we were in the lab, I didn't see the liquid falling onto my trousers.
During the following class, I felt a __40___ in my leg. Soon it became more and more painful and I touched the area with my fingers, _41_ to make things better. But to my great 42___ , the material of my trousers turned into powder! “Vitrio（硫酸）! ! !”The terrible word came into my mind. I rushed out right away to wash and examine my poor skin. _43_ , it was not a serious injury.
After changing my __44____I sat down and told myself: danger is no joke! It's very important to have a serious___45___ in chemistry class. Doing scientific experiments as a learner is no laughing matter.
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科目：高中英语 来源：2013届甘肃省高二下学期期末考试英语试卷（解析版） 题型：完型填空
Have you ever seen a movie in which a building was burnt down or a bridge was destroyed? Have you seen films in which a train crashed or a ship __21_ into the ocean? If so, you may have wondered how these things could happen without __22_the people in the film.
The man who knows the __23__ is the “special-effects” man. He has one of the most important jobs in the film __24__. He may be __25__ to create a flood or to make a battlefield explode. But he may also be told to create a __26_ effect which is much less exciting, though just as important to the success of the film. In a __27__ for one movie there was a big glass bowl __28__with water in which small fish __29__ swimming. The director of the movie__30__ the fish to stop swimming suddenly __31_ they seemed to stare at(盯着) an actor. Then the director wanted the fish to stop staring and swim away. But fish suddenly __32__ be ordered to do anything. It was quite a __33_.
The special-effects man __34_ about this problem for a long time. The result was an idea for __35_ the fish with a harmless use of electricity. __36__he applied electricity to the fish bowl causing the fish to be totally still(静止的). Then he rapidly reduced the __37__ of electricity allowing the fish to be free. __38_ he got the humorous effect the director wanted.
__39_in other parts of movie making there are those who have developed __40__ skill in creating certain kinds of effects. Jim White, who has been a special-effects man for thirty-two years, is best known for work with ships and airplanes.
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科目：高中英语 来源：2010-2011学年浙江省杭州市高三二模考试英语卷 题型：阅读理解
A Charlotte, N.C., man was charged with first-degree murder of a 79-year-old woman whom police said he scared to death. In an attempt to evade policemen after a bank robbery, the Associated Press reports that 20-year-old Larry Whitfield broke into the home of Mary Parnell. Police say he didn’t touch Parnell but that she died after suffering a heart attack that was caused by terror. Can the guy be held responsible for the woman’s death? Prosecutors(公诉人) said that he can under the state’s murder rule, which allows someone to be charged with murder if he or she causes another person’s death while committing or fleeing from a severe crime like robbery—even if he or she doesn’t kill someone on purpose.
But, medically speaking, can someone actually be frightened to death? We asked Martin Samuels, chairman of the neurology department at Brigham and Women’s Hospital in Boston.
Absolutely, no question about it.
The body has a natural protective method called the fight-or-flight response(战或逃反应), which was originally described by Walter Cannon，the chairman of Harvard University’s physiology department from 1906 to 1942. If, in the wild, an animal is faced with a life-threatening situation, the autonomic nervous system responds by increasing heart rate, increasing blood flow to the muscles, and slowing digestion, among other things. All of this increases the chances of succeeding in a fight or running away from an aggressive beast. This process certainly would be of help to primitive humans. However, in the modern world there is obvious decline of the fight-or-flight response.
The autonomic nervous system uses the chemical messenger to send signals to various parts of the body to activate the fight-or-flight response. This chemical is toxic in large amounts; it damages the organs such as the heart, lungs, liver and kidneys. It is believed that almost all sudden deaths are caused by damage to the heart. There is almost no other organ that would fail so fast as to cause sudden death. Kidney failure, liver failure, those things don’t kill you suddenly.
By the way, any strong positive or negative emotions such as happiness or sadness can cause the same result. There are people who have died in intercourse or in religious passion. There was a case of a golfer who hit a hole in one, turned to his partner and said, “I can die now”, and then he dropped dead. For about seven days after the 9/11 terrorist attacks on the World Trade Center and Pentagon there was an increase of sudden cardiac death among New Yorkers.
1. Why the Charlotte, N.C., man was charged?
A. Because he threatened the policemen to kill an old woman.
B. Because he caused an old woman’s terror and she died.
C. Because he beat an old woman and caused her heart attack
D. Because he murdered an old woman while robbing a bank.
2. Which of the following about the fight-or-flight response is true?
A. The fight-or-flight response was raised and proved by Martin A. Samuels.
B. It is a natural protective method that can’t be found in all creatures but humans.
C. The ancient humans had a superior fight-or-flight response than modern ones.
D. The fight-or-flight response is beneficial to both our actions and organs.
3.What activity can we infer is less likely to damage the organs?
A. Winning a big lottery. B. Missing a dead family.
C. Watching a horror movie. D. Listening to a sweet song.
4. The purpose of the passage is_________.
A. to explain why people will die of a heart attack
B. to offer some advice on protecting us from heart failure
C. to compare different kinds of feelings to cause a death
D. to show strong emotions can cause a sudden death
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科目：高中英语 来源：20102011学年河北省高一第二学期期中考试英语卷 题型：单项填空
Success always comes after many___________ ，in other words，___ is the mother of Success．
A．failures；failure B．failure；a failure C．failure：failure D．failures；a failure
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