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  Four people in England,back in 1953,stared at photo 51it was’t much –a picture showing a black XBut three of these people won the nobel prize for figuring out what the photo really showesthe shape of DNAThe discovery brought fame and fortune to scientists James Watson,Francis crick, and Maurice WillkinsThe fourth, the one who actually made the picture, was left out

  Her name was Rosalind Franklin.“she should have been up there,says historian mary bowden.”if her photo hadn’t been there, the others couldn’t have come up with the structure.”one reason franklin was missing was that she had died of cancer four years before the nobel decisionBut now school doubt that franklin was not only robbed of her life by disease but robbed of credit by her competions

  At cambridge university in the 1950s, watson and back fried to make models by cutting up shapes of DNA’s parts and then putting them togetherIn the meantime, at king’s college in lodon frannklin and Willkins shone X-rays at the molecule(分子)The rays produced patterns reflecting the shape

  But willkins and frangklin’s was a lot rockier than the celebrated teamwork of waston and crickWillkins though frangklin was hired to be his assistantBut the college actually emplyed her to take over the DNA project

  What she did was produce X-rayAnd she was not shy about saying soThat angered waston, who attacked her in return,mere inspection suggerted that she would not easily bendClearly she had to go or put in her place

  As frankins competitors, wilkins, watston and crick had much to gain by cutting her out of the little group of researchers,saya historian pnina Abir-AmIn 1962 at the nobel prize awarding ceremony, wilkins thanked 13 colleagues by name before he mentioned frangkinWatson wrote his book laughing at herCrick wrote in 1974 that franklins was only two steps away from the solution.”

  No, Franklin was the solution.”She contributed more than any other player to solving the structure of DNAShe must be considered a co-discoverer,Abir-Am saysThis was backed up by Aaron Klug, who worked with Franklin and later won a Nobel Prize himselfOnce described as the Dark Lady of DNA,Franklin is finally coming into the light

(1)

What is the text mainly about?

[  ]

A.

The disagreements among DNA researchers

B.

The unfair treatment of Franklin

C.

The process of discovering DNA

D.

The race between two teams of scientises

(2)

Watson was angry with Franklin because she ________

[  ]

A.

took the lead in the competition

B.

Kept her results from him

C.

proved some of his findings wrong

D.

shared her data with other scientists

(3)

Why is Franklin descrebed asDark Lady of DNA?

[  ]

A.

She developed pictures in dark labs

B.

She discovered the black Xthe shape of DNA

C.

Her name was forgotten after her death

D.

Her contribution was unknown to the public

(4)

What is the writer’s attitude toward Wilkins,Watson and Crick?

[  ]

A.

Disapproving

B.

Respectful

C.

Admiring

D.

Doubtful

答案:1.B;2.C;3.D;4.A;
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科目:高中英语 来源:2012届高三英语一轮复习精品同步练习(人教新课标)选修8 Unit 2 Cloning 人教新课标 题型:050

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  One of the best decisions you can make in your twenties is to explore.Exploring postcollege choices looks a lot like being lost; in fact, being lost is normal and productive at this stage in life.

  In the past, people were penalized(处罚)for getting lost.For example, dropping out of high school for a year to explore made colleges think you were hospitalized for mental instability.But it's a different story today.Right after college, you don't get dinged(教训)for taking time off.Most graduate and professional schools today would prefer the students who take time to go away, have different experiences, and then come back refocused.

  Why is there so much respect for exploration? Part of the reason is that there is no better way of figuring out what will make you happy.“We are not very good at using our imaginations when it comes to how we'll feel in a given circumstance,” says Daniel Gilbert, a professor of psychology at Harvard University.Therefore, he recommends that we test out a lot of different careers.He admits that this method takes time, but he says it's worth it because otherwise you're likely to make a decision based on money, which does not always lead to happiness.

  What about the people who pull their life together in a tight little package by age twenty-fou? They're the exception to the rule, according to Wayne Osgood, a professor of sociology at Pennsylvania State University.He labels these people “fast starters” and explains that they are only about 12 percent of the population.Some fast starters are just plain lucky:they love the first job they get after college.The other 88 percent of us have to march through our twenties formulating(规划)a new career plan.

  The good news is that this is what most people are doing in their twenties:wandering, taking trips, changing jobs every year, volunteering for unpaid work while living at their parents' house, and starting businesses that fail.All these choices are, surprisingly, right on track for making a good decision about what to do with yourself in adult life.

(1)

According to the passage, exploring after college in your twenties ________.

[  ]

A.

means you get lost in your life

B.

assists you in choosing a suitable career

C.

is just a waste of your valuable time

D.

is a kind of mental instability

(2)

Exploration is so much respected because ________.

[  ]

A.

it helps you to earn much more money than others

B.

it improves your imagination in a given situation

C.

it is the best way to find your happiness

D.

it promises you various choices of careers

(3)

Who can be called “fast starters”?

[  ]

A.

People who find their favorite jobs earlier.

B.

People who stand out among others.

C.

People who love their jobs very much.

D.

People who always carry a small package with them.

(4)

What statement may the author agree to?

[  ]

A.

The earlier you work, the happier you are.

B.

Exploration is to travel around the world.

C.

Choosing a career is nothing but easy.

D.

An indirect route is the route to happiness.

(5)

This passage can be classified as ________.

[  ]

A.

humorous

B.

argumentative

C.

narrative

D.

poetic

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