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阅读理解。 | ||||||||
| ||||||||
1. The least likely choice for 5-year-old Jack to make among the museums is . | ||||||||
A. MMI B. NYHS C. QMA D. QCFM | ||||||||
2. According to the text, which of the following is NOT true? | ||||||||
A. All the museums mentioned above lie in New York City. B. No other museum in New York City is better than MMI. C. Lucky visitors can see grapes in one of the museums. D. NYHS has the most hands-on activities in America. | ||||||||
3. We can know from the text that . | ||||||||
A. people can visit only one of the museums any time and any day B. visitors can pay a visit to all the museums by subway C. there is often a rare bird flying in the sky above MMI D. the Panorama is, as a matter of fact, a great gift shop |
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科目: 来源:安徽省同步题 题型:阅读理解
Sometime early in the next century,human beings will move to Mars.They will live there for
about a year,and then will be replaced with another group of pioneers.Building the base on
Mars will advance our knowledge of the solar system and aid in our understanding of the earth.
We already know that Mars resembles the earth in many aspects:general size,presence of
water,length of day,range of temperatures.These resemblances have caused many ?people? to
consider a centuries?long project:to terraform Mars.Terraforming means altering a planet's
surface so that Earth's life forms can survive there.This concept,previously found only in science
fiction is now being seriously considered by scientists.
Terraforming Mars is theoretically simple:add nitrogen and oxygen to the atmosphere;pump
water to the surface;and add the earth's plants and animals in the order in which they developed
on Earth.But it will take at least 300 years.
Some people think that such a project is too huge for ?humans? to undertake,but there are
very good reasons to make the attempt.The earth now contains some 6 billion ?people?,and
no one has any idea of how many humans the earth can support.Our very existence and numbers
are threatening many other species.We also have had some experience with terraforming our
own planet:altering the landscape,the atmosphere and the climate.Currently terraforming earth
has become a wiser activity as we try to control global warming,air and water pollution,and
preserve some natural living places.
While the possibility of such a project is small,it is not impossible.Even if earth bound societies
come and go in the next 300 years,the project can continue through the work of the Mars settlers
without the need for constant backing from the earth.
The future existence of all the people in our world may very well depend upon our ability to
terraform Mars.
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