题目
题型:不详难度:来源:
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.
Small as the possibility of such a project is, 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.
小题1:What would be the best title for this passage?
A.Terraforming Mars. | B.Saving the Earth. |
C.Travelling to Mars. | D.A Newly-found Place. |
A.Warming. | B.Changing. | C.Planting. | D.Building. |
A.do some scientific research work |
B.find out its similarity to Earth |
C.avoid the dying away of many other species |
D.find on Mars living place for the increasing human beings |
A.there are some resemblances between Earth and Mars |
B.terraforming Mars is theoretically simple |
C.we have had some experience with terraforming our own planet: Earth |
D.the development of science and technology is very rapid |
答案
小题1:A
小题2:B
小题3:D
小题4:A
解析
核心考点
试题【Sometime early in the next century, human beings will move to Mars.They will liv】;主要考察你对题材分类等知识点的理解。[详细]
举一反三
Besides calling 911, here is what to do in some life-threatening emergencies when no oneis
|
First, you’ve got to acknowledge you’re in trouble. Stay where
you can be seen clearly and remember to rest. Keeping a sense
of humor helps too—it reduces stress and helps creative thinking.
In a wide open area, make a colorful cross out of rocks to show
your present position.
|
below the bony upside-down V of the ribs(肋骨). Make a sudden
push against the chair. If you still can’t breathe after six tries, call 911,
even if you can’t talk. Write the word choking somewhere nearby, and
leave the line open until help arrives.
or any cloth you can find, and push down on the wound
until the bleeding stops. But if you put a band around
your leg tightly, you’re going to close the vessels(血管)
to the entire leg. In this way, you could lose your foot.
Bear attack
bear in the eyes. If it does charge at you, stick out your chest,
raise your arms, and spread your legs. Shout at the bear, to
frighten it. If it’s going to attack, lie facedown, with your hands
held firmly behind your neck. Play dead until you’re sure the bear
is gone.
小题1:When you see a colorful cross made of rocks in the wilderness, you know .
A.someone is bleeding | B.someone is choking |
C.someone is lost | D.someone is attacked by a bear |
A.keep a sense of humor | B.call 911 and leave the line open |
C.use your hand our clean cotton | D.lie down with your hands behind your neck |
A.stop bleeding | B.reduce stress |
C.lose your foot | D.cause breathlessness |
A.survive the emergencies | B.avoid a bear attack |
C.deal with a choke | D.find our way |
PEEL was carried out by some teachers and researchers in Melbourne who had concluded that normal teaching methods seldom achieve their intended goals; what the teachers think they are teaching is one thing and what the students actually learn is something else.Students’ lack of an over-all view of learning goals and their concentration on test scores make them see each lesson as a separate activity.
Researchers realized that many students do not come into class empty-headed but have their own explanations of how the world works.Their own ideas can remain important to them even when they differ from scientific explanations that are learned later.In fact such ideas are hardly affected by traditional teaching.Students accept the teacher’s scientific explanation, but do not drop their own.They simply keep both and use them practically: in a class test, they copy the teacher’s idea, but in real life they use their own.
Clearly what was needed was to make students understand their learning process(过程), and this is what the PEEL teachers set out to deal with.On the surface,(表面) a class being taught by PEEL methods only differs from an ordinary class in being a little noisier, because more people are talking.But there are some meaningful changes.Students are given much more time to express their views, and teachers don’t make immediate judgment.The students are allowed to guide what is done in class and their own ideas are always respected.This draws their attention to the actual learning process, and they become responsible for their own progress.
小题1:The aim of Hynes’ experiment was to ______.
A.show that students didn’t think about what they learnt |
B.prove the effectiveness of the project known as PEEL |
C.test students’ general knowledge about geography |
D.encourage students to ask more questions in class |
A.To ensure teachers do scientific work. |
B.To help students get higher test scores. |
C.To find the differences between what is taught and learnt. |
D.To help normal teaching methods achieve their goals. |
A.the teacher does not give the usual scientific explanations |
B.students always have their own knowledge of the subject |
C.more attention is paid to the students’ own ideas |
D.the best explanations are given by the students |
A.He is a teacher who teaches geography in a high school in Australia |
B.He is a geography teacher and a researcher in Australia |
C.He is a teacher teaching geography in a high school in Austria |
D.He is a high school geography teacher in Austria. |
Many parents believe that it is best to control their feelings and to wait until they’re calm before scolding their children. But the mother or father who explains reasonably to a child , “Peter was crying because you hit him,” is not likely to attract much attention. Young children need to be scolded immediately, and strongly, before they’ll take criticism (批评)to heart.
When your young child does something wrong, scold him or her seriously at once. At the same time be sure to tell the child clearly what he or she has done wrong. An angry reaction without an immediate explanation does little good. Forbidding a child to play outside or not allowing him to watch TV as a punishment works well-but only when taken together with an explanation. Make sure your child understands that although his or her wrongdoing has made you angry, you still love him or her. Use simple, direct words such as, “You hurt peter. How would you feel if he hit you? You must never, never hurt people.” If your voice expresses strong feeling clearly, your message will carry enough weight.
小题1:According to researchers, how should parents react when their child did something wrong?
A.Ask the child not to do it again any time. |
B.Show the child how angry they are and tell him why. |
C.Teach the child why and how to say sorry to others. |
D.Let the child know you still love hime or her. |
A.Calm themselves down before scolding him. |
B.Hide their feelings when talking to him. |
C.Explain immediately why he was wrong. |
D.Speak strongly and angrily to him. |
A.Different Ways to Deal with Children’s Wrongdoings |
B.Differences among Parents in Dealing with Children |
C.Best Ways to Stop Children’s Wrongdoings |
D.Research on Preventing Children from Hurting Others |
Apology Language 1: “I am sorry.”
List the hurtful effects of your action.Not “I am sorry if …”, but “I am sorry that…”.You might ask if they want to add any points that you have not recognized.
Apology Language 2:“I was wrong.”
Name your mistake and accept fault.Note that it is easier to say “You are right” than “ I am wrong”, but the latter carries more weight.
Apology Language 3: “ What can I do to make it right?”
How are you now? How shall I make amends(弥补) to you? How can I restore your confidence that I love you— even though I was so hurtful to you?
Apology Language 4: “I’ll try not to do that again.”
Engage in problem-solving.Don’t make excuses for yourself such as, “Well, my day was just so…” Instead, offer what you will change to prevent yourself from putting them in the same bad situation again.
Apology Language 5: “Will you please forgive me?”
Be patient in seeking forgiveness.They may need some time or greater clarification of your input from Apology Languages 1-4.
Finally, your apology may not be accepted, but at least you know that you have been faithful in offering a sincere olive branch of peace.
小题1:The passage mainly talks about___________
A.5 tips for apologies that work | B.5 ways of refusing apologies |
C.the function of apology languages | D.the importance of apology languages |
A.your listeners can’t understand your dialect. |
B.your listeners can’t hear what you said clearly. |
C.your apology is not sincere. |
D.your apology is not expressed well enough. |
A.“You are right” | B.“I am sorry if …” |
C.“I was wrong.” | D.“Well, my day was just so…” |
least ___________.
A.It’s your fault any more | B.your mind will be at peace |
C.your friend will make peace with you | D.your apology is true to your heart |
In the middle of winter, when snow is falling in many parts of the United States, scientists have sounded a warning to people who plan to spend many hours in the sun this summer.The warning: The sun"s summertime rays are more dangerous than once thought.
A team of scientists from 80 nations recently reported to the United Nations that a layer of ozone(臭氧层)in the atmosphere, which protects humans from harmful levels of ultraviolet(紫外线)radiation, will be thinner over the United States this summer.The thinner layer allows more ultraviolet rays from the sun to reach Earth.The extra amount of ultraviolet radiation could cause an increase in the number of cases of skin cancer.
Scientists first became concerned about the layer in the mid-1980s when a hole was discovered in the layer above Antarctica during the winter.The hole was caused in chemicals used in refrigerators and air conditioners.When these chemicals are sent out into the atmosphere, they produce gases that destroy the ozone.
Concern about the protective ozone layer rose more recently when data from satellites and ground stations showed that ozone levels were dropping over areas other than Antarctica.Low ozone levels were recorded in the spring and summer over the United States and over other populated areas in the world.
Although many countries have already begun stopping the use of ozone-destroying chemicals, the new findings are expected to advance the timetable for a total ban of the chemicals.
小题1:The scientists have observed the ozone layer ______.
A.since 1980 | B.since last winter |
C.for more than 20 years | D.for about one year |
A.do a lot of good to human beings in many ways |
B.protect humans from diseases caused by bad weather |
C.do a lot of harm to human beings in the summer-time |
D.protect humans from harmful levels of ultraviolet radiation |
A.above Arctic during the winter in the mid-1980s |
B.above Antarctica during the winter in the mid-1980s |
C.over somewhere in the north of the equator in 1980 |
D.over the USA in the summertime in the mid-1980s |
A.the changeable weather | B.ozone-destroying chemicals |
C.chemicals from refrigerators | D.chemicals from air conditioners |
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