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阅读理解
Information from the pioneer spacecraft
of the National Aeronautics and Space Administration (NASA) obviously proves
the theory that the burning 900-degree Fahrenheit surface temperature of Venus
(金星) is due to an atmospheric
greenhouse effect caused mainly by a blanket of carbon dioxide. Such a
greenhouse effect is created when energy in the form of sunlight easily passes
through a planet’s atmosphere, warms is surface, and becomes heat radiation
that is then held in by the atmosphere. The orbiting spacecraft has collected
Venus’s atmosphere from top to bottom so that NASA’s scientists are able to
prove the exact amount of sunlight received at various places in the planet’s
atmosphere and on its surface. Measurements of atmosphere, temperature, and radiative
heating foresee Venus’s surface temperature very exactly. The planet is closer
to the Sun than it is to the Earth, and it has a thin atmosphere like the
Earth’s but Venus atmosphere is made up of more than ninety percent carbon
dioxide, compared to less than four percent in that of the Earth. Because of
its higher percentage of carbon dioxide, Venus’s atmosphere receives much more
heat radiation than the Earth’s does. Thus the Venus studies are believed to be
important to the understanding of possible bad effects on Earth’s agriculture
and sea levels that could result from the long-term use of fuels, which add carbon
dioxide to the atmosphere.
Notes
1. atmospheric adj.大气(中)的
2. carbon dioxide 二氧化碳
3.orbit vt.使(人造卫星、宇宙飞船等)进入空间轨道;绕轨道运行
4.amount n.总数,总额
5.compare vt.把……比作(to)
1.Which of the following would be the most suitable title for the passage?
A.A New Theory
B.Measuring Planetary Temperatures
C.The Journey of Pioneer Spacecraft
D.The Greenhouse Effect on Venus
2.According to the passage, what happens to heat radiation on Venus?
A.It disappears at the planet’s surface.
B.It is received by the atmosphere.
C.It creates energy.
D.It is changed into other kind of energy.
(丢失三道题)
查看习题详情和答案>>
阅读理解
Information from the pioneer spacecraft of the National Aeronautics and Space Administration (NASA)obviously proves the theory that the burning 900degree Fahrenheit surface temperature of Venus is due to an atmospheric green- house effect caused mainly by a blanket of carbon dioxide. Such a greenhouse effect is created when energy in the form of sunlight easily passes through a planet's atmosphere (大气), warms is surface, and becomes heat radiation that is then held in by the atmosphere. The orbiting spacecraft has collected Venus's atmosphere from top to bottom so that NASA's scientists are able to prove the exact amount (n.总数,总额)of sunlight received at various places in the planet's atmosphere and on its surface. Measurements of atmosphere, temperature, and radioactive heating foresee Venus' s surface temperature very exactly. The planet is closer to the Sun than it is to the Earth, and it has a thin atmosphere like the Earth's but Venus atmosphere is made up of more than ninety percent carbon dioxide(二气化碳), compared to less than four percent in that of the Earth. Because of its higher percentage of carbon dioxide, Venus's atmosphere receives much more heat radiation than the Earth's does. Thus the Venus studies are believed to be important to the understanding of possible bad effects on Earth' s agriculture and sea levels that could result from the long term use of fuels, which add carbon dioxide to the atmosphere.
(1)Which of the following would be the most suitable title for the passage?
[ ]
A.A New Theory
B.Measuring Planetary Temperatures
C.The Journey of Pioneer Spacecraft
D.The Greenhouse Effect on Venus
(2)According to the passage, what happens to heat radiation on Venus?
[ ]
A.It disappears at the planet's surface.
B.It is received by the atmosphere.
C.It creates energy.
D.It is changed into other kind of energy.
(3)According to the passage, how does the atmosphere of Venus differ from that of the Earth?
[ ]
A.It contains much more carbon dioxide.
B.It holds much less water.
C.It is four percent thinner.
D.It receives less heat radiation.
(4)From the passage can be considered that the burning of fuels on the Earth may cause ________.
[ ]
A.more carbon dioxide to enter sea water
B.more sunlight to reach the Earth's surface
C.the atmosphere to become thinner
D.the planet's temperature to change
(5)According to the passage, information from the Venus study can be used to ________.
[ ]
A.foresee changes in the planet's orbit
B.foresee future agricultural problems on the Earth
C.test the efficiency of a spacecraft
D.test a theory about more efficient greenhouse
查看习题详情和答案>>Information from the pioneer spacecraft
of the National Aeronautics and Space Administration (NASA) obviously proves
the theory that the burning 900-degree Fahrenheit surface temperature of Venus
(金星) is due to an atmospheric
greenhouse effect caused mainly by a blanket of carbon dioxide. Such a
greenhouse effect is created when energy in the form of sunlight easily passes
through a planet’s atmosphere, warms is surface, and becomes heat radiation
that is then held in by the atmosphere. The orbiting spacecraft has collected
Venus’s atmosphere from top to bottom so that NASA’s scientists are able to
prove the exact amount of sunlight received at various places in the planet’s
atmosphere and on its surface. Measurements of atmosphere, temperature, and radiative
heating foresee Venus’s surface temperature very exactly. The planet is closer
to the Sun than it is to the Earth, and it has a thin atmosphere like the
Earth’s but Venus atmosphere is made up of more than ninety percent carbon
dioxide, compared to less than four percent in that of the Earth. Because of
its higher percentage of carbon dioxide, Venus’s atmosphere receives much more
heat radiation than the Earth’s does. Thus the Venus studies are believed to be
important to the understanding of possible bad effects on Earth’s agriculture
and sea levels that could result from the long-term use of fuels, which add carbon
dioxide to the atmosphere.
Notes
1. atmospheric adj.大气(中)的
2. carbon dioxide 二氧化碳
3.orbit vt.使(人造卫星、宇宙飞船等)进入空间轨道;绕轨道运行
4.amount n.总数,总额
5.compare vt.把……比作(to)
1.Which of the following would be the most suitable title for the passage?
A.A New Theory
B.Measuring Planetary Temperatures
C.The Journey of Pioneer Spacecraft
D.The Greenhouse Effect on Venus
2.According to the passage, what happens to heat radiation on Venus?
A.It disappears at the planet’s surface.
B.It is received by the atmosphere.
C.It creates energy.
D.It is changed into other kind of energy.
(丢失三道题)
查看习题详情和答案>>
阅读理解
Information from the pioneer spacecraft of the National Aeronautics and Space Administration (NASA)obviously proves the theory that the burning 900degree Fahrenheit surface temperature of Venus is due to an atmospheric green- house effect caused mainly by a blanket of carbon dioxide. Such a greenhouse effect is created when energy in the form of sunlight easily passes through a planet's atmosphere (大气), warms is surface, and becomes heat radiation that is then held in by the atmosphere. The orbiting spacecraft has collected Venus's atmosphere from top to bottom so that NASA's scientists are able to prove the exact amount (n.总数,总额)of sunlight received at various places in the planet's atmosphere and on its surface. Measurements of atmosphere, temperature, and radioactive heating foresee Venus' s surface temperature very exactly. The planet is closer to the Sun than it is to the Earth, and it has a thin atmosphere like the Earth's but Venus atmosphere is made up of more than ninety percent carbon dioxide(二气化碳), compared to less than four percent in that of the Earth. Because of its higher percentage of carbon dioxide, Venus's atmosphere receives much more heat radiation than the Earth's does. Thus the Venus studies are believed to be important to the understanding of possible bad effects on Earth' s agriculture and sea levels that could result from the long term use of fuels, which add carbon dioxide to the atmosphere.
(1)Which of the following would be the most suitable title for the passage?
[ ]
A.A New Theory
B.Measuring Planetary Temperatures
C.The Journey of Pioneer Spacecraft
D.The Greenhouse Effect on Venus
(2)According to the passage, what happens to heat radiation on Venus?
[ ]
A.It disappears at the planet's surface.
B.It is received by the atmosphere.
C.It creates energy.
D.It is changed into other kind of energy.
(3)According to the passage, how does the atmosphere of Venus differ from that of the Earth?
[ ]
A.It contains much more carbon dioxide.
B.It holds much less water.
C.It is four percent thinner.
D.It receives less heat radiation.
(4)From the passage can be considered that the burning of fuels on the Earth may cause ________.
[ ]
A.more carbon dioxide to enter sea water
B.more sunlight to reach the Earth's surface
C.the atmosphere to become thinner
D.the planet's temperature to change
(5)According to the passage, information from the Venus study can be used to ________.
[ ]
A.foresee changes in the planet's orbit
B.foresee future agricultural problems on the Earth
C.test the efficiency of a spacecraft
D.test a theory about more efficient greenhouse
查看习题详情和答案>>通读下面短文,掌握其大意,然后在各题所给的A,B,C,D四个选项中,选出一个最佳答案。
I was in the queue for the supermarket checkout(付款台) earlier today.All of the checkouts were 36 , and the woman behind me was not happy! Every word that came from her mouth was a(n) 37 ! She wasn’t happy with the number of checkouts 38 ; she wasn’t happy with the amount of shopping some people had in their baskets; she wasn’t happy because this supermarket didn’t have a stand where she 39 scan her own shopping.
I listened to her 40 looking around as I loaded my stuff onto the conveyor belt (传送带).I didn’t want 41 to do with that kind of attitude, and if ever I’d felt like letting someone go 42 of me, it wouldn’t be such a woman!
But then I 43 back.Standing beside the woman was a five-year-old girl, 44 her granddaughter.The girl’s part of the shopping 45 of some comic books.
I couldn’t 46 it.I pushed my shopping back to the end of the conveyor belt, 47 a space.“After you,” I said to the woman and the girl, and 48 them to a big 49 .The woman was delighted, and even 50 to complain ---- until she was walking away.
So, 51 bother having helped? It was because that little girl was probably taking in her granny’s complaint like a sponge(海绵).She was learning how to 52 situations like that by listening to her granny.I’d seen that I could interrupt that complaining, and put a smile and some 53 into the middle of it.
We can all complain; we can all react 54 , but it doesn’t have to be like that.And, even if only for a few 55 , I wanted to leave that little soul with just a glimpse of another way.
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