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Eating in space is different from eating on earth. The food that astronauts carry with the

m does not look like the food you eat. Some food is carried in closed bags. It is cooked and frozen before the astronauts get it. All the water is removed from the food. In the spaceship the astronaut puts the water back. He "shoots" hot or cold water into the food bag with a special gun. He eats the food through a small hole in the bag.

Other foods come in bite size. The astronaut puts a whole piece in his mouth at once. There can be no crumbs. Crumbs would float around the spaceship and get in the way. Meat and cake often come in bite-sixed pieces. Astronauts can' t drink water from open cups. The water would float in drops in the air. The water is put in the special gun. The astronaut shoots the water into his mouth. Eating in space is not easy. Astronauts must learn this way.

Some space foods are carded in ______ .

A.water guns

B.lunch boxes

C.closed bags

D.food bags

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更多“Eating in space is different f…”相关的问题
第1题
Another thing an astronaut has to learn about is eating in space. Food is weightless, just
as men are.

Food for space has to be packed in special ways. Some of it goes into tubes that a man can squeeze into his mouth. Bite-sized cookies are packed in plastic.

There is a good reason for covering each bite. The plastic keeps pieces of food from travelling in the spaceship. On the earth very small pieces of food would simply fall to the floor. But gravity doesn' t pull them to the floor when they are out of the plastic in a spaceship. (78) They move here and there and can get into a man' s eyes or into the spaceship' s instruments. If any of the instruments is blocked, the astronauts may have trouble getting safely home.

As astronauts travel on longer space trips, he must take time to sleep. An astronaut can fit himself to his seat with a kind of seat belt. Or, if he wants to, he can sleep in a sleeping bag which is fixed in place under his seat. But be careful he must put his hands under the belt when he goes to sleep. This is because he is really afraid that he might touch one of controls that isn' t supposed to be touched until later.

Why would astronauts cover each bite of food in space?

A.Because small pieces of food would fall down to the floor.

B.Because weightless pieces of food might make trouble when they travel around.

C.Because they haven' t enough food for longer trips.

D.Because astronauts don' t want to waste food.

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第2题
Every second in the United States alone, more than 250 animals are slaughtered for food, a
dding up to more than 8 billion animals each year. Reducing the amount of meat in one’s diet is nutritionally, environmentally, and ethically beneficial.

People who eat meat usually have weaker immune systems compared to those of vegetarians. Meat has been directly linked to diabetes, obesity, arthritis, and many other illnesses. Furthermore, meat-eaters are at a higher risk for diseases, including cancer, and they are more likely to die from these diseases. Critics say that a meatless diet does not provide enough nutrients, especially protein and iron. Actually, according to A Teen’s Guide to Going Vegetarian, by Judy Krizmanic, protein is found in almost every food, and iron appears in many vegetables. Getting enough nutrients in a meat-reduced diet should not be difficult. A 1988 study found that some of the highest pesticide residues appear in meat and eggs. Diets including more fruits and vegetables will only make people healthier.

Some skeptics believe that there will be a shortage of food if animals are not eaten. In fact, the opposite is true. More than 80% of the corn and 95% of the oats grown in the US are fed to livestock. The world’s cattle alone consume enough food to equal the caloric needs of 8.7 billion people, more than the entire human population. One half of the water used in the Unites States also goes to livestock; 2.50 gallons of water produces only 1 pound of beef. If people eat less meat and more plants, the amount of available food will increase.

Many people become vegetarians because they feel that eating animals is unethical. 90% of these animals are raised in confinement. Chickens and other birds have only about half. a square foot of space each, and since they are raised so close together, a hot blade is used to cut off their beaks to prevent them from pecking each other to death. Likewise, pigs that are repressed will bite each other’s tails, so both their teeth and tails are removed as soon as they are born.

Eating animals is hazardous in numerous ways. Even a slight reduction in meat intake is better than nothing at all. Consuming less meat is beneficial to the health of animals, the health of people, and to the health of the world.

Which of the following is true according to A Teen’s Guide to Going Vegetarian?

A.A diet without meat cannot supply enough protein.

B.Nearly all the food we eat contains protein.

C.It’s difficult to get enough nutrients in a meatless diet.

D.Some of the highest pesticide residues appear in meat.

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第3题
The victims of eating disorders, more often than not, will _____.[A] starve themsel

The victims of eating disorders, more often than not, will _____.

[A] starve themselves to death

[B] suffer greatly from the complications

[C] puzzle doctors in the years to come

[D] recover completely with no aftereffects

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第4题
A.eatB.to eatC.eatingD.the eating

A.eat

B.to eat

C.eating

D.the eating

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第5题
A.stop to eatB.stop eatingC.stop to be eatingD.stop not to eat

A.stop to eat

B.stop eating

C.stop to be eating

D.stop not to eat

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第6题
According to this passage, ______may result in the imbalance of bacteria in your intes
tines.

A) antibiotic treatment for an ear infection

B) taking pills which contain freeze-dried germs

C) eating yogurt or buttermilk

D) eating products made from fermented milk

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第7题
The way to find a person with eating disorders _____.[A] focuses on hidden symptoms

The way to find a person with eating disorders _____.

[A] focuses on hidden symptoms

[B] varies with type of the condition

[C] is oriented at the victim’s response

[D] remains perplexing despite efforts made

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第8题
Which of the following is considered good for healthy eating?A.Unrefined flour and vegetab

Which of the following is considered good for healthy eating?

A.Unrefined flour and vegetables.

B.White bread and honey.

C.Canned beans and fruits.

D.Mass-produced chickens and eggs.

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第9题
Unlike most Europeans, many Americans ______ bacon and eggs for breakfast every day. ( )
Unlike most Europeans, many Americans ______ bacon and eggs for breakfast every day. ()

A.used to eating

B.used to eat

C.are used to eat

D.are used to eating

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第10题
The girl eating in the restaurant seems ______ a good time. (have)

The girl eating in the restaurant seems ______ a good time. (have)

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