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提问人:网友lixin080108 发布时间:2022-01-07
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The remains of the Tiktaalik rosae were found 600 miles from the ______ .
The remains of the Tiktaalik rosae were found 600 miles from the ______ .

The remains of the Tiktaalik rosae were found 600 miles from the ______ .

The remains of the Tiktaalik rosae were found 600 miles from the ______ .

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更多“The remains of the Tiktaalik rosae were found 600 miles from the ______ .The remains of the Tiktaali…”相关的问题
第1题
Compro un pensierino a Flora e a Rosa, ( ) prendo dei cioccolatini.
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第2题
Transcendentalism thrived during the late 1830s to the 1840s in the US and originated with a group of thinkers in __________.

A、the Midwest

B、New England

C、the South

D、the West

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第3题
Lead deposits, which accumulated in soil and snow during the 1960's and 70's, were primarily the result of leaded gasoline emissions originating in the United States. In the twenty years that the Clean Air Act has mandated unleaded gas use in the United States, the lead accumulation worldwide has decreased significantly.

A study published recently in the journal Nature shows that air-borne leaded gas emissions from the United States were the leading contributor to the high concentration of lead in the snow in Greenland. The new study is a result of the continued research led by Dr. Charles Boutron, an expert on the impact of heavy metals on the environment at the National Center for Scientific Research in France. A study by Dr. Boutron published in 1991 showed that lead levels in arctic (北极的) snow were declining.

In his new study, Dr. Boutron found the ratios of the different forms of lead in the leaded gasoline used in the United States were different from the ratios of European, Asian and Canadian gasolines and thus enabled scientists to differentiate the lead sources. The dominant lead ratio found in Greenland snow matched that found ingasoline from the United States.

In a study published in the journal Ambio, scientists found that levels in soil in the Northeastern United States had decreased markedly since the introduction of unleaded gasoline.

Many scientists had believed that the lead would stay in soil and snow for a longer period.

The authors of the Ambio study examined samples of the upper layers of soil taken from the same sites of 30 forest floors in New England, New York and Pennsylvania in 1980 and in 1990. The forest environment processed and redistributed the lead faster than the scientists had expected.

Scientists say both studies demonstrate that certain parts of the ecosystem respond rapidly to reductions in atmospheric pollution, but that these findings should not be used as a license to pollute.

The study published in the journal Nature indicates that

A.the Clean Air Act has not produced the desired results.

B.lead deposits in arctic snow on the increase.

C.lead will stay in soil and snow longer than expected.

D.the U.S. is the major source of lead pollution in arctic snow.

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第4题
A certain hunter had found a piece of forest where there were plenty of animals to hunt.The only trouble was that the place was very difficult to get to.

He returned from his first visit to the place in late autumn, and could not get back until the snow melted in the following spring.Then he went to the pilot of a small plane, who earned his living by carrying hunters over parts of the country where there were no roads and no railways.He asked the pilot to take him back to the piece of forest.

The pilot did not know the place, so the hunter showed it to him on the map.“But there is nowhere to land there,” said the pilot.“I have flown over that we can’t land anywhere between this river and these mountains.”

“I thought you were a wonderful pilot,” said the hunter, “some of my friends said you could land a plane on a postage stamp.”

“That’s right,” answered the pilot.“I can land a plane where nobody else can.But I tell you there is nowhere to land in the place you are talking about.”

“And what if I tell you that another pilot did land me there last spring?” said the hunter.

“Is that true?” asked the pilot.

“Yes, it is.I swear it.”

Well, this pilot could not let himself beaten by another, so he agreed to take the hunter.

When they reached the place, the hunter pointed out a small spot without trees in the middle of the forest, with a steep rise(陡坡) at one end.The pilot thought there was not enough room to land there, but the hunter said that the other pilot had done so the year before, so down went the plane.When it came to the rise, it turned right over onto its back.As the hunter climbed out, he smiled happily and said, “Yes, that is exactly how the other pilot managed it last time.”.

6.The hunter in the story went to the forest ().

A.once

B.two times

C.many times

D.none of the above

7.In the story the hunter asked a pilot to take him to the piece of forest.This pilot was ().

A.the same pilot who had taken him to the place once

B.a different pilot who had never been to that part of the country

C.a pilot who had been to the place many times

D.a pilot who had never heard of such a place

8.It was difficult for the pilot to land the plane because ().

A.the place for landing was as big as a room

B.the place for landing was as small as a postage stamp

C.there wasn't any place to land

D.there was a room near the landing place

9.“When it came to the rise, I turned right over onto its back.” What do the words “its back” refer to?()

A.the back of the rise

B.the pilot’s back

C.the back of the plane

D.the back of the small spot

10.The hunter got to the plane the first time().

A.by jumping out of the place during the flight

B.in an entirely different way

C.exactly the same way as he got there the second time

D.by climbing down the tree on which the place hand landed

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第5题
Yesterday I had a walk with a friend in the street. When we were passing by a house, I36  a BlackBerry cell phone. I picked it up and it still 37! I started checking the contact list and calling numbers. I wanted to see38I could get some information about the owner of the phone.39, only one person answered and she didn’t recognize the40that I was calling from. In the end, she said,” It is just so nice that you are trying to41whose phone it is.”

Since that lady didn’t know whose phone it was, my friend42me to go back to the street. I43. We went back to the street and to the house44which we had found the BlackBerry cell phone. I45the door. Two college students46and said they hadn’t lost their phones. But when I told them the story and47some names on the contact list, one of them said that he48had those names so it must be the phone of one of his49.

They said it was50that I too the time to find the51.I really didn’t have anything to say because in my mind I was just doing the52thing. I never considered53the phone----it wasn’t mine. I immediately tried to find the owner because that is exactly what I would want54to do if any of my family members55their phones.

小题1:
A.boughtB.droppedC.repairedD.found
小题2:
A.rangB.sangC.workedD.shook
小题3:
A.thatB.ifC.whatD.how
小题4:
A.ProbablyB.InterestinglyC.FinallyD.Unluckily
小题5:
A.numberB.streetC.manD.name
小题6:
A.talk aboutB.think ofC.find outD.care about
小题7:
A.advisedB.pushedC.helpedD.showed
小题8:
A.laughedB.understoodC.arguedD.agreed
小题9:
A.at the back ofB.in front ofC.on the top ofD.far away from
小题10:
A.turned toB.looked forC.knocked onD.broke into
小题11:
A.answeredB.shoutedC.ranD.passed
小题12:
A.spelledB.wroteC.mentionedD.remembered
小题13:
A.sometimesB.alsoC.hardlyD.always
小题14:
A.kidsB.parentsC.studentsD.friends
小题15:
A.excitingB.necessaryC.wonderfulD.impossible
小题16:
A.phoneB.informationC.buyerD.owner
小题17:
A.importantB.rightC.strangeD.brave
小题18:
A.givingB.borrowingC.mendingD.keeping
小题19:
A.themB.himC.someoneD.myself
小题20:
A.lostB.describedC.neededD.lent
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第6题
翻译下列句子,尽量使用括号中要求的翻译技巧。 There was something original, independent, and heroic about the plan that pleased all of them.(结果状语)
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第7题
电瓶车严禁进入()运输巷道行驶,有特殊措施且有专人指挥除外。

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第8题
压力式气动量仪之一是高压()式气动量仪和高压波纹管式气动量仪。

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第9题
以下()不是直接寻址方式的特点
A.不需要计算有效地址,形式地址就是有效地址

B.如果指令字长一定,地址空间大小受到指令字长的限制

C.直接寻址能增强程序的灵活性,如程序或数据区的浮动

D.操作数大小不受指令字长的限制

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