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

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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. 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？ 查看材料

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

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-esters 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 1988study 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 U.S. 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 lb. 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 lot 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.

Why do some people become vegetarians？

A．They feel that eating animals is Unethical.

B．There are fewer livestock available due to the environmental pollution.

C．The consumption of meat will lead to financial problem.

D．Being a vegetarian is beneficial to the protection of water.

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.

I'm not sure which restaurant______.

A、to eat on

B、eating at

C、to eat at

D、for eating

A、will eat

B、is eating

C、will be eating

D、has been eating

A.A.to eat

B.B.eating

C.C.having eaten

D.D.to be eating

A.in

B.from

C.to

D.for

I have given()eating meat

A over

B down

C up

D 不填

A.sheeps

B.sheep

C.sheepes

D.shoop