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Polar explorers can stay alive without heaters and windproof shelters.
A. Right B. Wrong C. Not mentioned
答案
更多“Polar explorers can stay alive without heaters and windproof shelters. A. Right B”相关的问题
第1题
Polar explorers can stay alive without heaters and windproof shelters.
A．Right
B．Wrong
C．Not mentioned
第2题
The Cold Places
The Arctic is a polar region. It surrounds the North Pole.
Like Antarctica, the Arctic is a land of ice and snow. Antarctica holds the record for a low temperature reading--125 degrees Fahrenheit below zero. Reading of 85 degrees below zero is common in both the Arctic and Antarctica. Winter temperatures average 30 degrees below zero in the Arctic. At the South Pole the winter average is about 73 degrees below zero.
One thing alone makes it almost impossible for men to live in Antarctica and in parts of the Arc tic. This one thing is the low temperature--the killing chill of far North and the polar South.
To survive, men must wear the warmest possible clothing. They must build windproof shelters. They must keep heaters going at all times. Not even for a moment can they be unprotected against the below-zero temperatures.
Men have a way of providing for themselves. Polar explorers wrap themselves in warm coats and furs. The cold makes life difficult. But the explorers can stay alive.
What about animals？ Can they survive？ Do we find plants？ Do we find life in the Arctic and in Antarctica？ Yes, we do. There is life in the oceans. There is life on land.
Antarctica, as we have seen, is a cold place indeed. But this has not always been the case. Expedition scientists have discovered that Antarctica has not always been a frozen continent. At one time the weather in Antarctica may have much like our own.
Explorers have discovered coal in Antarctica. This leads them to believe that Antarctica at one time was a land of swamps and forests. Heat and moisture must have kept the trees in the forests alive.
The lowest temperature that man has ever known was recorded in Antarctica.
A．Right
B．Wrong
C．Not mentioned
第3题
根据材料，回答题。
The Cold Places
The Arctic is a polar region. It surrounds the North Pole.
Like Antarctica， the Arctic is a land of ice and snow. Antarctica holds the record for a low temperature reading——125 degrees Fahrenheit below zero~ Reading of 85 degrees below zero is common in both the Arctic and Antarctica. Winter temperatures average 30 degrees below zero in the Arctic. At the South Pole the winter average is about 73 degrees below zero.
One thing alone makes it almost impossible for men to live in Antarctica and in parts of the Arctic. This one thing is the low temperature——the killing chili of far North and the polar South.
To survive， men must wear the warmest possible clothing. They must build windproof shelters. They must keep heaters going at all times. Not ever for a moment can they be unprotected "against the below-zero temperatures.
Men have a way of providing for themselves. Polar explorers wrap themselves in warm coatsand furs. The cold makes life difficult. But the explorers can stay alive.
What albout animals？ Can they survive？ Do we find plants？ Do we find life in the Arctic andin Antarctica？ Yes， we do. There is life in the oceans. There is life on land.
Antarctica， as we have seen， is a cold place indeed. But this has not always been the case.
Expedition scientists have discovered that Antarctica has not always been a frozen continent. At one time the weather in Antarctica may have much like our own.
Explorers have discovered coal in Antarctica. This leads them to believe that Antarctica at one time was a land of swamps and forests. Heat and moisture must have kept the trees in the forests alive.
The lowest temperature that man has ever known was recorded in Antarctica. 查看材料
A.Right
B.Wrong
C.Not mentioned
第4题
Trade, according to the passage, has never really touched Antarctic because Antarctic is
A．a land surrounded by a great ocean
B．an empty desert and has no plant life
C．not open to public
D．different from the Arctic
第5题
It can be inferred from the passage that ______.
A．the Apollo mission was very successful
B．protection from space radiation is no easy job
C．astronauts will have deformed children or grandchildren
D．radiation is not a threat to well-protected space explorers
第6题
Which of the following statements is NOT a fact about Alvin？
A. It can carry explorers as deep as 6，500 meters．
B. It has played a key role in various important undersea expeditions．
C. It was launched in the sixties of the twentieth century．
D. It has been used for more than 40 years．
第7题
？？Which of the following statements is NOT a fact aboutAlvin？？？
A.It can carry explorers as deep as 6,500 meters
B.It has played a key role in various important undersea expeditions
C.It was launched in the sixties of the twentieth century
D.It has been used for more than 40 years
第8题
It can be inferred from the passage that______.
A．the Apollo mission was very successful
B．protection from space radiation is no easy job
C．astronauts will have detormed children or grandchildren
D．radiation is not a threat to well-protected space explorers
第9题
It can be inferred from the passage that ______.
A．radiation is not a threat to well-protected space explorers
B．astronauts will have deformed children or grandchildren
C．protection from space radiation is no easy job
D．the Apollo mission was very successful
第10题
Many scientists hold that global warming can be controlled by.
A．reducing the polar bear population.
B．paying more attention to the earth's rising temperatures
C．reducing carbon dioxide emissions
D．refreezing the polar ice caps
