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Some people, in all seriousness, say that humans
will be living in space within the next hundred or so
years. Planet Earth will be crowded, dirty and lack of 【S1】______
resources. A sort of exodus (移居) of mankind will
begin.
Spaceships will be assembled so that they revolve
around the earth. Some may orbit around Mars. These
space stations will be serviced by space buses. We saw
the first space bus launch in April 1981. This was 【S2】______
"Columbia", it made several orbits around the earth and 【S3】______
then returned, landing on a huge dry lake bed in
California. "Columbia" will be used again. Previous
spaceships have been abandoned, only the nose cone
being used to bring the crews back to earth. 【S4】______
Upon established, each space station will generate 【S5】______
its own atmosphere and have its own agriculture. It will
need to rotation to provide an artificial gravity; people 【S6】______
will be forced inwards from the centre by centrifugal 【S7】______
(离心力) force.
The moon and Mars could become new sources of
new materials. Driving through space will no longer 【S8】______
need Earth fuel—the energy would come from the
sun. This energy would be converted from electricity to 【S9】______
work magnetic rockets.
That all sounds quite fantastically but, with the 【S10】______
rapid development of modern technology, who knows
about what the future holds？
【S1】
更多“Some people, in all seriousness, say that humanswill be living in space within the next hu”相关的问题
第1题
Esperanto is ______.
A．not an important living language
B．Zamnehof's mother tongue
C．accepted by all people
D．a favorite of some linguists
第2题
Esperanto is ______.
A．often taken lightly
B．Zamnehof's mother tongue
C．accepted by all people
D．a favorite of some linguists
第3题
The fourth paragraph states all of the following EXCEPT that______.
A．loners do not forgive others
B．to be sociable is better for people"s health
C．forgiveness is not just a reaction to some insults
D．forgiveness should become part of one"s personality
第4题
A．mathematics teachers
B．mathematics teacher
C．mathematic teachers
D．mathematic's teachers
第5题
Sony's QRIO could perform. all the following tasks EXCEPT
A．walking everywhere freely
B．understanding some words uttered by people
C．finding its way
D．continuing walking after it stumbles
第6题
Sony's QRIO could carry out all the following work EXCEPT______.
A．walking everywhere freely
B．understanding some words uttered by people
C．finding its way
D．continuing walking after it stumbles
第7题
Sony's QRIO could carry out all the following work EXCEPT ______.
A．walking everywhere freely
B．understanding some words uttered by people
C．finding its way
D．continuing walking after it stumbles
第8题
From the passage, we can conclude that ______.
A．video conferencing will be an instance of superiority for some companies
B．video conferencing will be applied where communication is important
C．video conferencing will be a standard configuration for all people's computers
D．video conferencing still have a lot of room for improvement
第9题
The author mentions big cities such as Tokyo, Singapore and Paris______.
A. to show that city people all over the world have a lot in common
B. to let his readers be aware that they are some of the world's biggest cities
C. to illustrate their difference from American cities
D. because they are some of the cities that attract visitors most
第10题
听力原文：W：You see，there are too many people here．Let's so to some other places．
M：All right．But cold weather in December cannot keep people from the busy shops．
Q：What does the man mean？
(14)
A．The shops are not crowded in December.
B．Many people go shopping despite the cold in December.
C．People dislike to do shopping in busy shops in winter.
D．In December people usually stay at home because of the cold weather.
第11题
A．it is environmentally friendly
B．it is safe to the people's health
C．it is more effective than pesticides against some insects
D．it is cheaper than pesticides
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