更多"We don’t have beds in the space shu"的相关试题:
[单项选择]We don’t have beds in the space shuttle, but we do have sleeping bags. During the day, when we are working, we leave the bags tied to the wall, out of the way. At bed- time we untie them and take them wherever we’ve chosen to sleep.
On most space shuttle flights everyone sleeps at the same time. No one has to stay awake to watch over the space plane; the shuttle’s computers and the engineers at Mission Control do that. ff anything goes wrong, the computers ring an alarm and the engineers call us on the radio.
On the space shuttle, sleeping-time doesn’t mean nighttime. During each ninety- minute orbit the sun "rises" and shines through our windows for about fifty minutes; then it "sets" as our path takes us around the dark side of the Earth. To keep the sun out of our eyes, we wear black sleep masks.
It is surprisingly easy to get comfortable and fall asleep in space. Every astronaut sleeps differently. Some sleep upside down, some right side up. When it’s time to s
A. take care of
B. look at
C. see
D. pay attention to
[单项选择]Why have the Americans developed space shuttle according to the passage
A. It is a first step to explore outer space.
B. It is a follow-up action of the Apollo moon landings.
C. It is a compromise to the exorbitant human expeditions to the Mars.
D. It is a compensation for the wishful thinking of human landing on the Mars.
[单项选择]Since we have never been here before, we do not know which bus（）
A. should we take
B. to be taking
C. to take
D. should take
[单项选择]
Do animals have a culture What do we mean by "culture" Lately social scientists have begun to ask if culture is found just in humans, or if some animals have a culture, too. When we speak of culture, we mean a way of life a group of people have in common. Culture includes the beliefs and attitudes we learn. It is the patterns of behavior that help people to live together. It is also the patterns of behavior that make one group of people different from another.
Our culture lets us make up for having lost out strength, claws, long teeth and other defenses. Instead, we use tools cooperate with one another, and communicate with language. But these aspects of human behavior, or "culture", can also be found in the lives of certain animals. Animals can make tools, for example. We used to think that the ability to use tools was the dividing line between human beings and other animals. Lately, however, we have found that this is not the case. Chimpanzees (黑猩猩)
A. A chimpanzee can learn to use sign language to make sentences.
B. Other animals can invent tools.
C. Knowledge and communication are no longer signs of only human behavior.
D. The line dividing human culture from animal culture is not as clear as we might think.
[单项选择]Do animals have a culture What do we mean by "culture" Lately social scientists have begun to ask if culture is found just in humans, or if some animals have a culture too. When we speak of culture, we mean a way of life a group of people have in common. Culture includes the beliefs and attitudes we learn. It is the patterns of behavior that help people to live together. It is also the patterns of behavior that make one group of people different from another group.
Our culture lets us make up for having lost out strength, claws, long teeth, and other defenses. Instead we use tools, cooperate with one another, and communicate with language. But these aspects of human behavior, or "culture," can also be found in the lives of certain animals. Animals can make tools, for example. We used to think that the ability to use tools was the dividing line between human beings and other animals. Lately, however, we have found that this is not the case. Chimpanzees(黑猩猩) can not only use tools b
A. The ability to use language separates human beings.
B. We can be certain that animals have a culture too.
C. Social scientists doubt if animals have a culture too.
D. Some traditional ideas about the difference between human beings and animals may be wron
