题目内容

—Did Zhou Libo say anything that _____ you in Mr Zhou Live Show?

—Not really. Actually I slept through his performance.

A. adapted to B. attached to C. referred to D. appealed to

 

D

【解析】

试题分析:考察动词短语辨析。A适应;B附着于..;C提及,谈及,参考,查阅;D呼吁,吸引;句义:在一周立波秀里,周立波说了一些吸引你的话了吗?根据句义说明D正确。

考点:动词短语辨析

 

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DNA left at a crime scene could be used in the future to build up a picture of an offender’s face, it was revealed tonight.

A first step towards genetic mugshots has been taken by researchers in the US who link specific DNA markers with face shape. To identify the genes, they focused on known mutations(突变) that cause changes of the face and head. Normal versions of these genes were found to influence individual features. For instance, one gene affected the lips, another the shape and configuration of bones around the eyes, and a third the appearance of the mid-face and skull. In total, 20 genes had “significant effects” on facial appearance.

Lead scientist Professor Mark Shriver, from Pennsylvania State University, said: “We use DNA to match to an individual or identify an individual, but you can get so much more from DNA. Currently we can’t go from DNA to a face, or from a face to DNA, but it should be possible.” The implications are far reaching, raising the possibility of creating a data bank of facial types based on genetic markers. DNA from a crime scene could then be used to produce a rough image of the face of an offender or victim. Such genetic mugshots may be more reliable than computer-generated “e-fits” based on witnesses’ recollections. Other uses of the technique might include proving the identity of fathers in paternity cases, or visualising our remote ancestors from fossil DNA.

The scientists wrote in the online journal Public Library of Science Genetics: “Such predictive modelling could be forensically useful; for example, DNA left at crime scenes could be tested and faces predicted in order to help to narrow the pool of potential suspects. Further, our methods could be used to predict the facial features of descendants, deceased ancestors, and even extinct human species. In addition, these methods could prove to be useful diagnostic tools.” The team developed a model which first established a range of physical face shapes from people of mixed West African and European ancestry from the US, Brazil and Cape Verde. Measurements were taken of thousands of point co-ordinates on grids placed over 3D images of the faces.

Statistical methods were then used to determine the relationship between facial differences and the effects of gender, ethnic ancestry and individual gene variants.

1.The underlined word “mugshots” in the second paragraph most probably means _________.

A. different facesB. characteristicsC. pictures of faces D. genders

2.What can be inferred from the passage?

A. DNA has been used to build up a picture of an offender’s face.

B. It may be much easier to catch criminals with the help of DNA.

C. In all, 20 genes had “significant effects” on facial appearance.

D. One gene can affect more than one part of your face.

3.According to Professor Mark Shriver, we know_________.

A. they can merely match to an individual or identify an individual

B. there is a possibility of going from DNA to a face

C. DNA could be used to produce a rough image of an offender’s face

D. this technology is more reliable than computer-generated “e-fits”

4.What is the most possible title of the passage?

A. Creating a data bank of DNA

B. Recognizing the DNA of criminals

C. Predicting the location of offence using DNA

D. Building image of offender’s face from DNA

 

IT’S never a real problem for us when the weather gets cold. We can put on more clothes, stay next to a fireplace, turn on the air conditioner or simply travel to a warmer city to spend the winter – people have many different ways of coping with the cold.

But things are not as easy for plants. Unlike humans, plants can’t move to escape the cold or generate heat to keep themselves warm. So how do they manage to survive the freezing winter?

It turns out that plants have their own strategies too, said a study published on Dec 22 in the journal Nature.

According to researcher Amy Zanne of George Washington University, US, the cold is a big challenge for plants. Their living tissues can be damaged when they freeze. “It’s like a plant’s equivalent to frostbite (冻疮),” Zanne told Science Daily. Also, the process of freezing and thawing (解冻) can cause air bubbles to form in the plant’s water transport system. “If enough of these air bubbles come together as water thaws they can block the flow of water from the roots to the leaves and kill the plant,” she explained.

To live through cold weather, plants have developed three traits, according to the study. Some plants, such as oak trees, avoid freezing damage by dropping their leaves before the winter chill sets in – effectively shutting off the flow of water between roots and leaves – and growing new leaves and water transport cells when the warm spring returns.

Other plants, pine trees for example, protect themselves by narrowing their water transport cells, which makes it easier for cells to travel among air bubbles.

The third strategy is also the most extreme – some plants die on the ground in winter and start growing as new plants from seeds when conditions get warmer.

However, the study also found that these smart strategies were developed very slowly – over millions of years of evolution. This leads scientists to worry that plants may not be able to deal with human-caused climate change, which has only started occurring over the past few decades.

Scientists are hoping that this study can help people find possible ways to save plants from the threat of climate change.

1.What is the article mainly about?

A. Why plants are not afraid of the winter chill.

B. The ways that plants survive cold weather.

C. Changes in plants’ water transport system in winter.

D. How plants evolve to keep up with climate change.

2.According to the article, if a plant freezes in the winter, ______.

A. it produces more living tissues to stay alive

B. its leaves quickly fall out and its roots begin to die

C. lots of air bubbles form in its water transport system

D. its water transport system could be blocked in the spring

3.How do oak trees usually survive the cold winters?

A. By dropping their leaves before winter.

B. By narrowing their water transport cells.

C. By widening their water transport cells.

D. By leaving only the seeds alive and growing from the seeds in the spring.

4.What are scientists worried about when it comes to plants according to the article?

A. Plants may not be able to adapt to the increasingly cold climate.

B. Human activities might have a great impact on the pace of plants’ evolution.

C. Plants may not be able to evolve fast enough to adapt to human-caused climate change.

D. The strategies plants develop are not good enough to protect them against cold.

 

Minnie's flat, as the one-floor resident apartments were then being called, was in a part of West Van Buren Street inhabited by families of laborers and clerks, men who had come, and were still coming, with the rush of population pouring in at the rate of 50,000 a year. It was on the third floor, the front windows looking down into the street, where, at night, the lights of grocery stores were shining and children were playing. To Carrie, the sound of the little bells upon the horse-cars, as they tinkled in and out of hearing, was as pleasing as it was novel. She

gazed into the lighted street when Minnie brought her into the front room, and wondered at the sounds, the movement, the murmur of the vast city which stretched for miles and miles in everydirection.

Mrs. Hanson, after the first greetings were over, gave Carrie the baby and proceeded to get supper. Her husband asked a few questions and sat down to read the evening paper. He was a silent man, American born, of a Swede father, and now employed as a cleaner of refrigerator cars at the stock-yards. To him the presence or absence of his wife's sister was a matter of indifference. Her personal appearance did not affect him one way or the other. His one

observation to the point was concerning the chances of work in Chicago.

"It's a big place," he said. "You can get in somewhere in a few days. Everybody does."

It had been understood beforehand that she was to get work and pay her board. He was of a clean, saving character, and had already paid a number of monthly installments(分期付款)on two pieces of land far out on the West Side. His ambition was some day to build a house on them.

In the interval which marked the preparation of the meal Carrie found time to study the flat. She had some slight gift of observation and that sense, so rich in every woman-intuition.

She felt the drag of a lean and narrow life. The walls of the rooms were improperly papered. The floors were covered with matting and the hall laid with a thin rag carpet. One could see that the furniture was of that poor, hurriedly patched together quality sold by the installment houses.

She sat with Minnie, in the kitchen, holding the baby until it began to cry. Then she walked and sang to it, until Hanson, disturbed in his reading, came and took it. A pleasant side to his nature came out here. He was patient. One could see that he paid enough attention to his baby.

"Now, now," he said, walking. "There, there," and there was a certain Swedish accent

noticeable in his voice.

"You'll want to see the city first, won't you?" said Minnie, when they were eating. "Well, we'll go out Sunday and see Lincoln Park.

Carrie noticed that Hanson had said nothing to this. He seemed to be thinking of something else.

"Well," she said, "I think I'll look around tomorrow. I've got Friday and Saturday, and it won't be any trouble. Which way is the business part?"

Minnie began to explain, but her husband took this part of the conversation to himself.

"It's that way," he said, pointing east. "That's east." Then he went off into the longest speech he had yet taken part in, concerning the lay of Chicago. "You'd better look in those big manufacturing houses along Franklin Street and just the other side of the river," he concluded. "Lots of girls work there. You could get home easy, too. It isn't very far."

Carrie nodded and asked her sister about the neighborhood. The latter talked in a soft tone, telling the little she knew about it, while Hanson concerned himself with the baby. Finally he jumped up and handed the child to his wife.

1.The first paragraph mainly describes__

A. the surroundings around the Hansons' flat  

B. the scenes in West Van Buren Street

C.what Mr. and Mrs. Hanson's flat looked like  

D. the nightlife of West Van Buren Street

2. From the passage we can learn that Mr. Hanson__·

A. was glad at Carrie's arrival’ 

B. cared little about his child

C. was unfamiliar with Chicago  

D. tried hard to live a better life

3.We can draw a conclusion from the passage that__.

A. Minnie's house was very well furnished

B. Carrie was a sensitive girl with ambition

C. Carrie came to look after her nephew

D. Minnie and her husband got on very well

4. Which of the following shows the right order of the events in the story?

a. Carrie observed the Hansons' flat.

b. Mr. Hanson handed his baby to Minnie.

c. Minnie told Carrie about their neighborhood.

d. Carrie sang to the baby to stop it from crying.

e. Mr. Hanson explained the business part to Minnie.

f. Minnie gave Carrie the baby and proceeded to get supper.

A. c-a-f-e-d-b B. a-c-f-eb-d  

C.f-a-d-e-c-b D.f-e-a-b-c-d

 

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