考题
Very few of our birds stay with us the year round.Some come to us in the winter from the cold?north.Others come from the south to spend the summer with us.How do they know the way?Suppose?you were told to find your way to a place hundreds of miles away,do you think you could do it?
Yet birds travel over mountains,forests,lakes and even across the oceans,and do not stray from?the path.They find their way back in the spring to the same orchard（果园）and the very trees where?they nested the summer before.
It is wonderful how quickly birds travel such long distances from their summer homes to their?winter ones.Some birds have been known to fly hundreds of miles in a day.But others travel much?more slowly.
Why do birds undertake these long journeys twice a year?Perhaps cold weather and lack of?food drive them from us in the autumn,but we cannot tell why they leave the sunny south to come?back to us in the spring.We know only that many of them like to make their nests and rear their?young in the north.
We are sorry to see them go,but we know that when winter is over they will come back to us.The underlined part"stray from the path"means__________.A.lose its way
B.stay on the path
C.keep away from the path
D.fly along the path答案：A解析：由文章第二段第二句“They find their WaY?hack in the spring to the same orchard and the very trees?wile,e they nested the sui'Ilmer before．”可知鸟能找到自己的巢，故不会迷路，选A项。
考题
单选题Stone does not（）, and so the tools of long ago have remained when even the bones of the men who made them have disappeared without trace.A
crackB
decayC
destroyD
crush正确答案：B解析：暂无解析
考题
单选题--May I know your address? --（）A
Sure. Here you areB
I have no ideaC
It’s far from here正确答案：B解析：暂无解析
考题
单选题Jane: Hi Tim! Tim: Jane! Jane: How are you? Tim: Fine. Jane: ______ Have you been here long? Tim: I arrived yesterday, on Sunday. ______ Jane: I got here a few days ago.A
Lovely weather, isn’t it? ; I’m worn out.B
And you? ; I came here with Sue.C
I’d been wondering when I’d run into you. ; How about you?D
How time flies! ; I’ve been longing to see you for weeks.正确答案：B解析：从Jane最后一句回答可知，Tim问的是他什么时候到这里的，选项C符合语境。
考题
Very few of our birds stay with us the year round.Some come to us in the winter from the cold?north.Others come from the south to spend the summer with us.How do they know the way?Suppose?you were told to find your way to a place hundreds of miles away,do you think you could do it?
Yet birds travel over mountains,forests,lakes and even across the oceans,and do not stray from?the path.They find their way back in the spring to the same orchard（果园）and the very trees where?they nested the summer before.
It is wonderful how quickly birds travel such long distances from their summer homes to their?winter ones.Some birds have been known to fly hundreds of miles in a day.But others travel much?more slowly.
Why do birds undertake these long journeys twice a year?Perhaps cold weather and lack of?food drive them from us in the autumn,but we cannot tell why they leave the sunny south to come?back to us in the spring.We know only that many of them like to make their nests and rear their?young in the north.
We are sorry to see them go,but we know that when winter is over they will come back to us.In which season do we have most birds to stay with us?A.In spring.
B.In summer.
C.In winter.
D.We don't know.答案：D解析：通读全文可知，史中没有提及哪个季节的鸟最多，故选D项。
考题
Your products（）so well here but for a lot of advertisements we have done on television and in newspapers.A、would not have been soldB、won’t sellC、would not sellD、have not been sold正确答案:A
考题
问答题Practice 3 We have come to dedicate a portion of that field as a final resting-place for those who here gave their lives that that nation might live. It is altogether fitting and proper that we should do this. But, in a larger sense, we can not dedicate, we cannot consecrate, we cannot hallow this ground. The brave men, living and dead, who struggled here, have consecrated it, far above our poor power to add or detract. The world will little note, nor long remember what we say here, but it can never forget what they did here. It is for us, the living, rather, to be dedicated here to the unfinished work which they who fought here have thus far so nobly advanced. It is rather for us to be here dedicated to the great task remaining before us.. that from these honored dead we take increased devotion to that cause for which they gave the last full measure of devotion; that we here highly resolve that these dead shall not have died in vain; that this nation, under god, shall have a new birth of freedom; and that government of the people, by the people, and for the people, shall not perish from the earth.（The Gettysburg Address—Abraham Lincoln）正确答案：【参考译文】 此刻,我们在这场战争的一个伟大的战场上集会。我们来到这里,将这个战场上的一小块土地奉献给那些在此为国捐躯的勇士,作为他们长眠之地。我们这样做是完全应当的。 但是,从深层意义上讲,我们无从奉献这块土地,无从使之成为圣地,也无从使之变为万众景仰之地,因为曾在这里奋战过的、活着的和死去的英雄,已经使这块土地神圣化了,远非我们的菲薄之力所能扬抑。我们今天在这里所说的话,世人不大会注意,也不会长久记住,但是英雄们的业绩,人们将永志不忘。我们这些活着的人,应该献身于英雄们曾在此为之浴血奋战、勇敢奋斗的未竞事业。我们应该献身于他们遗留给我们的伟大任务。这些先烈为了伟大的事业而尽忠,我们应该以他们为榜样,更加致力于他们未竞的事业。我们在此下定决心,绝不让先烈们的鲜血白流。我们要使我们国家在上帝的庇佑下,自由获得新生,使我们这个民有、民治、民享的政府与世长存。解析：暂无解析
考题
问答题Scientists hope that a remote lake on a dormant Chilean volcano can provide clues to what life may have been like in a far more distant place—the planet Mars.A 10-member team placed special plates in the lake on Licancabur volcano, at an altitude of 20,000 feet，on Sunday to measure the effects of ultraviolet light on organisms living there.The scientists, mostly from the United States, think learning how Licancabur organisms protect themselves may help researchers understand how life survived on early Earth and perhaps on early Mars as well.The damaging effects of UV radiation intensify at altitude and the air is very thin. And the lake is covered with ice most of the year, as would have been bodies of water on Mars.“If there was life on Mars 3.5 billion years ago, it could have used defense mechanisms similar to those used by the organisms at Licancabur volcano to survive,” said team leader Nathalie Cabrol.正确答案：在智利火山的顶端,有一个静谧的湖泊。近来,科学家发现了它的新价值——也许,它能告诉人们在更遥远的火星,早期的生命是如何存在的。11月10日,一个由10名科学家组成的小组在海拔2万英尺的利坎卡武尔火山顶端湖泊中放入了特殊的测量仪板,来测试紫外线照射当地的有机生物所产生的效果。以美国科学家为主的许多科学家都认为,研究利坎卡武尔火山的有机生物如何自我保护能够启发人们认识在早期的地球,生物是如何生存下来的,甚至也可以由此类推到早期的火星生命形态上去。在利坎卡武尔火山顶,紫外线辐射相当密集,杀伤力很强。空气也因为海拔高而非常稀薄,湖面上常年结着厚厚的冰层,与火星上的水域环境非常相似。研究小组的负责人纳塔莉·卡布罗尔说:“如果5亿年前火星上有生物的话,情况应该与利坎卡武尔火山顶生物生存下来所运用的防御机制大致相同。”解析：暂无解析
考题
At the first sight the planet Mars does not appear very welcome to any kind of life．It has very little oxygen and water,the temperature at night is below-50~Cand winds of 100 miles per hour cause severe dust storms．However,the surface of the planet seems to show that water flowed across it some time in the past,and it is believed that there is enough ice at the poles to cover the planet with water if it melts．Although there is no life on the Mars now,some scientists think that there may have been some form of life long time ago．At that time,the planet had active volcanoes;the atmosphere was thicker and warmer;and there was water．In fact,in some ways the Mars may have been similar to the Earth,where life exists.
Some people believe that the Mars could support life in the future if the right conditions were produced．The first step would be to warm the planet using certain gases which trap the Sun's heat in the planet's atmosphere．With warmth,water and carbon dioxide(二氧化碳),simple plants could begin to grow．These plants could slowly make the Mars more suitable for living．It is estimated that the whole process might take between 100,000 and 200,000 years．In the meantime,people could begin to live on the planet in special closed environments．They would provide a lot of useful information about conditions on the Mars and the problems connected with living there.Some scientists think there may have been life on the Mars in the past because__.A.there is no life there now
B.there is a large amount of water at the poles
C.the Mars may be able to support life in the future
D.conditions may have been similar to those on the Earth答案：D解析：第一段大意是：人们最初对火星的印象是火星上不可能有生命。因为几乎没有氧气和水，并且夜间温度低于-50°C，同时还有每小时l00英里的风速引起的严重的沙尘暴。然而星球的表面却告诉我们，过去的某个时段水曾经从这里流过。人们相信极地有足够的冰，一旦融化便可覆盖整个星球。虽然现在火星上没有生命，但在过去很久很久以前，生命很有可能存在过。由此可看出，生命所需的条件——水和氧——在火星上和在地球上是相似的。所以选项D正确。而选项B说火星上有水是不对的。火星的极地有冰，只有当冰融化后才能使整个星球有水。
考题
--May I know your address? --（）ASure. Here you areBI have no ideaCIt’s far from hereA略
