Evidence obtained from observation and experiment is often used to a scientific theory. A．confirm B．claim C．conclude D．calculate 题目和参考答案——青夏教育精英家教网—

题目内容

Evidence obtained from observation and experiment is often used to________a scientific theory.

A．confirm 　　　 B．claim　　　　　　　 C．conclude 　　　 D．calculate

考查动词辨析。confirm证实；claim声称，断言；conclude得出结论；calculate计算，估计。依语意：由观察和实验得出的证据通常被用来证实科学理论，可知A项正确。

练习册系列答案

课课练与单元测试系列答案

世纪金榜小博士单元期末一卷通系列答案

单元测试AB卷台海出版社系列答案

黄冈新思维培优考王单元加期末卷系列答案

相关题目

About 12,000 years ago- long before the famous UFO crash make headlines in America—an alien spaceship crashed in China. And their descendants are still living in a faraway Chinese village today! That is the mind-bending claim made in the new book Out of Time and Place, a collection of reports from the files of Fate, a magazine edited by Terry O’Neil.
The story first came to light in 1937 when an expedition led by Chi Pu-Tei came across a group of caves deep in the Bayan-Kara-Ula Mountains. In the caves were found strange-looking skeletons with big heads and small, slender bodies—closely matching typical descriptions of space aliens. The explorers also uncovered 716 mysterious stone discs with strange hieroglyphics(象形文字) on them.
In Qinghai Province, where the mountains lie, ancient stories tell of small, skinny beings with oversize heads who came from the sky long long ago. And to this day, locals live in fear of attack from strange-looking creatures from above.
And there is more. In 1947, British scientist Karyl Robin-Evans led an expedition into the mountains and discovered a group of dwarfs(侏儒) who called themselves the Droza. “They told him that their ancestors came from a planet in the Sirius（天狼星）system and crashed in this mountain area a long time ago,” writes Hausdorf, “Many of them were killed, but survivors adapted to living on this rough planet far from home.”
For decades, Robin-Evans’ claims were dismissed as nonsense. But in 1995, the Associated Press reported that in the region a village named Huilong had been discovered—populated by 120 dwarfs ranging from 3-foot-10 to 2-foot-1tall.Hausdorf asks, “Could these people be the last living descendants of the survivors of the legendary UGO crash—the Chinese Roswell?”
【小题1】Which of the following are the findings of Chi Pu-Tei?
a. strange-looking skeletons           b. UFO crash
c. stone discs                       d. dwarfs
e. strange hieroglyphics               f. skinny beings

【小题2】Paragraph 3 and 4 mainly _____.

A．introduce ancient stories in Qinghai Province

B．show evidence of the existence of aliens in Qinghai Province

C．express fears of attack from aliens

D．describe the spaceship crash in China

【小题3】What can be safely concluded from the passage?

A．This passage is a piece of science news recently issued.

B．Chinese are descendants to the survivors of the alien spaceship crash

C．The UFO crash in the Byan-Kara-Ula Mountains has recently been seen

D．Many people are curious about aliens from outer space

【小题4】What is most likely to be discussed in the paragraph that follows?

A．Recent research about the Chinese Roswell.

B．News stories about Roswell UFO Crash.

C．Chi Pu-Tei’s discovery in China.

D．Robin-Evans’ claims.

【小题1】A high ___________ （比例）of the female staff are part-time workers.
【小题2】American English d___________ from British English in many aspects.
【小题3】His ___(申请)to the company for manager has been refused.
【小题4】The idea o___________ to him in a dream yesterday night.
【小题5】As I ran up the stairs, my foot s___________ and I fell.
【小题6】There will be rain later in c___________ and eastern parts of the country.
【小题7】Shanghai is the __________（商务） heart of the country.
【小题8】We have a___________ a great amount of evidence to accuse the murder.
【小题9】It was _________(显而易见的) from her face that she was really upset.
【小题10】People suffered many ________ (困苦) during that long winter.

根据首字母，中文或括号里词的适当形式填写单词。只限填Module 7 Unit 3 - Unit 5的单词。（共10小题；每小题1分，满分10分）

1.They encouraged the students to p________ in the running of the class.

2.He was so generous that he d________ thousands of pounds to charity.

3.What skills are needed to o________ this advanced machine?

4. The sports meet which is held a________ in our school is an exciting activity.

5. We have a________ (大量的) evidence to prove that he is right.

6.The elderly are afraid of ________ (遗弃) to the care of strangers.

7.Recent years ________ (见证) a great improvement in the relations between the two countries.

8. The children have been a great c________ (comfortable) to me through all of this.

9.It’s considerate of them to provide us with the basic ________ (require) of life.

10.Jack does some v________ (volunteer) work in the community at weekends.

The story first came to light in 1937 when an expedition led by Chi Pu-Tei came across a group of caves deep in the Bayan-Kara-Ula Mountains. In the caves were found strange-looking skeletons with big heads and small, slender bodies—closely matching typical descriptions of space aliens. The explorers also uncovered 716 mysterious stone discs with strange hieroglyphics(象形文字) on them.

In Qinghai Province, where the mountains lie, ancient stories tell of small, skinny beings with oversize heads who came from the sky long long ago. And to this day, locals live in fear of attack from strange-looking creatures from above.

And there is more. In 1947, British scientist Karyl Robin-Evans led an expedition into the mountains and discovered a group of dwarfs(侏儒) who called themselves the Droza. “They told him that their ancestors came from a planet in the Sirius（天狼星）system and crashed in this mountain area a long time ago,” writes Hausdorf, “Many of them were killed, but survivors adapted to living on this rough planet far from home.”

For decades, Robin-Evans’ claims were dismissed as nonsense. But in 1995, the Associated Press reported that in the region a village named Huilong had been discovered—populated by 120 dwarfs ranging from 3-foot-10 to 2-foot-1tall.Hausdorf asks, “Could these people be the last living descendants of the survivors of the legendary UGO crash—the Chinese Roswell?”

1.Which of the following are the findings of Chi Pu-Tei?

a. strange-looking skeletons b. UFO crash

c. stone discs d. dwarfs

e. strange hieroglyphics f. skinny beings

A．a, c, d

B．c, e, f

C．a, c, e

D．a, b, e

2.Paragraph 3 and 4 mainly _____.

A．introduce ancient stories in Qinghai Province

B．show evidence of the existence of aliens in Qinghai Province

C．express fears of attack from aliens

D．describe the spaceship crash in China

3.What can be safely concluded from the passage?

A．This passage is a piece of science news recently issued.

B．Chinese are descendants to the survivors of the alien spaceship crash

C．The UFO crash in the Byan-Kara-Ula Mountains has recently been seen

D．Many people are curious about aliens from outer space

4.What is most likely to be discussed in the paragraph that follows?

A．Recent research about the Chinese Roswell.

B．News stories about Roswell UFO Crash.

C．Chi Pu-Tei’s discovery in China.

D．Robin-Evans’ claims.

Babies born in summer are more likely to become short-sighted in late life, a study has shown.

As many as a quarter of all cases of short-sightedness are caused by too great an exposure to sunlight in the first weeks of life, say eye experts.

They are advising all parents to put sunglasses on their babies during the first weeks.

Scientists had already established that over-exposure to sunlight caused shortsightedness in animals.

Researchers who compared the months in which babies were born with whether they needed glasses later on say the principle also applies to humans.

A study of almost 300,000 young adults-the largest of its kind-showed that those born in June and July had a 25 per cent greater chance of becoming severely short-sighted than those born in December or January.

Research leader Professor Michael Belkin, of Tel Aviv University, said it was because prolonged illumination(光照) causes the eyeball to lengthen-causing short-sightedness.

Hence the more light a newborn is exposed to, the more the eyeball lengthens and the worse the short-sightedness will be.

The mechanism which lengthens the eyeball is associated with levels of melatonin(褪黑激素), a pigment (色素) which protects the skin against harmful rays of the sun.

In young babies not enough melatonin is released as protection, meaning they are more vulnerable to sunburn and changes to eyeball shape.

Sight expert Professor Daniel O’Leary, of Anglia Ruskin University in Cambridge, said “At the moment we don’t know the precise cause of why light exposure affects sight, but the evidence seems to prove that it is one of the reasons for people becoming shortsighted.”

67. Babies born in summer are more likely to be shortsighted ____________.

A. because the summer sun is too strong for babies

B. because babies born in summer have lengthened eyeballs

C. if they are exposed to much sunlight in the first weeks after they are born

D. if parents don’t know a proper way to protect their babies’ eyes

68. Melatonin is a kind of material to ___________.

A. prevent the eyes from becoming near-sighted

B. protect the skin from harmful sun rays

C. make our body strong

D. protect babies’ eyes from summer sun

69.From what Professor Daniel O’Leary says we can conclude that ___________.

A. there is no evidence that shortsightedness is related to exposure to sunlight

B. whether light exposure affects sight still needs to be further proved

C. he believes that light exposure can cause shortsightedness

D. he tries to give the cause of why light exposure affects sight

70.The underlined word “vulnerable” in the passage probably means __________.

A. easy to be harmed B. resistant

C. protective D. changeable

试题分类