Dreams of Flight
The story of man’s dream of flight, of his desire to reach the stars, is as old as mankind itself. According to Greek legend, Daedalus was the first man to fly. He and his son had been kept on an island, in order to escape, Daedalus shaped wings of wax (蜡) into which he stuck bird feathers. During their flight, his son flew too high and the sun melted the wax. He was drowned in the sea. The father was supposed to have continued his Night and reached Sicily, several hundred miles away.
There is also an English legend of King Bladud who, during his rule in the ninth century B.C., used wings to fly. But his flight was short-lived and he fell to his death. The dream of flying continued, but in all the legends, the flier rose like a bird only to fall like a stone. It took hundreds of years that men flew up into the air and returned to earth safely.
The first man to approach flying on a scientific basis was an Englishman who lived during the thirteenth century. He looked at the air about us as a sea, and he believed that a balloon could float on the air just as a boat did on water. Almost four hundred years later, an Italian priest applied his principle of air flight. He designed a boat, which would be held in the air by four hollow spheres (空心球). Each of the four balls was to be 20 feet in diameter (直径) and made of very thin copper. But his boat was never .built since it was not possible to make spheres of such thin metal and such size in those days.

How did Daedalus manage to escape to Sicily, according to the passage（　）

A:He killed the guards and got out of the island. B:A god came to rescue him and took him away. C:His son came to rescue him and took him away. D:He made wings of wax and flew away from the island.

Dreams of Flight
The story of man’s dream of flight, of his desire to reach the stars, is as old as mankind itself. According to Greek legend, Daedalus was the first man to fly. He and his son had been kept on an island, in order to escape, Daedalus shaped wings of wax (蜡) into which he stuck bird feathers. During their flight, his son flew too high and the sun melted the wax. He was drowned in the sea. The father was supposed to have continued his Night and reached Sicily, several hundred miles away.
There is also an English legend of King Bladud who, during his rule in the ninth century B.C., used wings to fly. But his flight was short-lived and he fell to his death. The dream of flying continued, but in all the legends, the flier rose like a bird only to fall like a stone. It took hundreds of years that men flew up into the air and returned to earth safely.
The first man to approach flying on a scientific basis was an Englishman who lived during the thirteenth century. He looked at the air about us as a sea, and he believed that a balloon could float on the air just as a boat did on water. Almost four hundred years later, an Italian priest applied his principle of air flight. He designed a boat, which would be held in the air by four hollow spheres (空心球). Each of the four balls was to be 20 feet in diameter (直径) and made of very thin copper. But his boat was never .built since it was not possible to make spheres of such thin metal and such size in those days.
After studying the flight of birds and the movement of the air, a great scientist of the fifteenth century concluded that birds flew because they flapped (摆动) their wings and that it was possible for man to do the same. So a kind of flapping-wing flying machine was invented. Many men tried and failed to fly with flying machines. It was not until 1890 that people discovered why this method would never succeed-man could not develop sufficient power with his arms and legs.

How did Daedalus manage to escape to Sicily, according to the passage（　）

A:He killed the guards and got out of the island. B:A god came to rescue him and took him away. C:His son came to rescue him and took him away. D:He made wings of wax and flew away from the island.

The key ingredient is an enzyme called superoxide dismutase, thought to have beneficial antioxidant properties which prevent damage to the body’s tissues. Volunteers given a capsule containing the enzyme reported fewer symptoms of stress and fatigue than those given a dummy capsule, which were filled with inactive starch.
The French study is published in BioMed Central’s open access Nutrition Journal.
The researchers found a strong placebo effect in the 35 volunteers who received the dummy capsules.
However, this effect only lasted for the first seven days of the study.
In contrast, the positive effects on perceived stress and fatigue reported in the group of 35 who took the enzyme capsules were much greater- and much longer lasting.
Taking the enzyme appeared to boost concentration, cut feelings of weariness and irritability and improve problems with sleeping.
The researchers said the placebo effect might have been relatively high because the people who took part in the study had everyday levels of fatigue and stress which were not out of the ordinary.
They suggest the results might have been more pronounced if people with higher levels of fatigue and stress had taken part.
It is thought that the enzyme may help to minimise the damage caused by a chemical process known as oxidative stress ,which releases harmful atoms called free radicals into the body’s tissues.
More work needed
Lead researcher Marie -Anne Milesi, from the commercial health products company Seppie, said:" Several studies have shown that there is a link between psychological stress and intracellular oxidative stress. "
We wanted to test whether augmenting the body’s ability to deal with oxidative species might help a person’s ability to resist burnout.
"It will be interesting to confirm these effects and better understand the action of antioxidants on stress in further studies with a larger number of volunteers and a longer duration. "
Dr Laura Wyness, a senior nutrition scientist at the British Nutrition Foundation, said the study emphasised that fruit and vegetables were packed with compounds which, in combination, have a beneficial effect on health.
However, she said a bigger trial would be needed before firm conclusions could be drawn about the benefits of this particular enzyme supplement.
What statement is right according to the passage

A:All the volunteers took capsules containing superoxide dismutase. B:The volunteers had everyday levels of fatigue and stress which were out of the ordinary. C:The experiment had 35 volunteers, part of whom took dummy capsules. D:The experiment found that the enzyme could boost concentration, cut feelings of weariness

阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选项中选择1个最佳答案。

A:took up B:took on C:took out D:took off

阅读下面的短文，文中有15处空白，每处空白给出4个选项，请根据短文的内容从4个选项中选择1个最佳答案。

A:took up B:took on C:took out D:took off

阅读下面的短文，文中有15处空白，每处空白给4个选项，请根据短文的内容从4个选项中选择1个最佳答案。

A:took up B:took on C:took out D:took off

There was a robbery near Harrys home one night. Harry was looking out of his window ___16___. He saw a robber run out of a shop and he saw the robber ___17___ his mask(面具).He saw his face. Harry told his father what he had seen. When the police came, Harry and his ___18___ went to talk to them.“I saw the robber,” Harry told the police.“I can recognize(认出) him. He was about ___19___. He ___20___ a big red nose. His ears were big. He was quite tall and thin. There was ___21___ wrong with his right leg.” “___22___ do you know that”one of the policemen asked. “He limped(跛行),”Harry said. “What was he wearing”the other policeman asked. “He was wearing black trousers and a shirt,” Harry said. “His mask was a ladys stocking. His shoes were white sports shoes.” “You are a very clever boy,” the policeman said.”“___23___! Now we can send out a description of the robber.” The police did this and the next day they caught him. They put him in a line ___24___ some other men. They asked Harry to point him out. Harry did this ___25___. The police arrested(逮捕)the man at once. Then Harry went home with his father happily.

A:put on B:put off C:take out D:took off

There was a robbery near Harrys home one night. Harry was looking out of his window ___16___. He saw a robber run out of a shop and he saw the robber ___17___ his mask(面具).He saw his face. Harry told his father what he had seen. When the police came, Harry and his ___18___ went to talk to them.“I saw the robber,” Harry told the police.“I can recognize(认出) him. He was about ___19___. He ___20___ a big red nose. His ears were big. He was quite tall and thin. There was ___21___ wrong with his right leg.” “___22___ do you know that”one of the policemen asked. “He limped(跛行),”Harry said. “What was he wearing”the other policeman asked. “He was wearing black trousers and a shirt,” Harry said. “His mask was a ladys stocking. His shoes were white sports shoes.” “You are a very clever boy,” the policeman said.”“___23___! Now we can send out a description of the robber.” The police did this and the next day they caught him. They put him in a line ___24___ some other men. They asked Harry to point him out. Harry did this ___25___. The police arrested(逮捕)the man at once. Then Harry went home with his father happily.

A:put on B:put off C:take out D:took off