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Passage 1 Falls are the number one cause of death ...

Passage 1 Falls are the number one cause of death to old people at home. Most old people can live safely at home if they make a few changes. Falls are common as people are getting older. Up to half of home accidents could be prevented by making some very simple changes. Here are a few suggestions. Mark trouble spots with bright tapes. The first and last steps on stairs are usually high-risk accident are- as. Applying bright tapes and using bright light in these areas would make these spots easier to see. Put grab bars(扶手) in the bathroom. A large number of falls occur in the bathroom. This is unfortunate(不幸的) because it's easy to make the area safe from accidents. Putting grab bars in the bathroom gives people something to hang on to. Invest in a personal alarm. A personal alarm can be started if a person falls or otherwise gets in trouble. With the push of a button, the alarm automatically sends a signal, which gets someone to call and see if the person needs help. 题目: 1. By making some very simple changes at home, old people ______.

A、are free from home accidents

B、can improve their health

C、are likely to live longer

D、can live more safely

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第1题
In terms of M.J.Flynn'S taxonomy, the systolic array falls into(68).A.SISDB.MIMDC.MISDD.SI

In terms of M.J.Flynn'S taxonomy, the systolic array falls into(68).

A.SISD

B.MIMD

C.MISD

D.SIMD

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第2题
As the goods ____ within the scope of our business activities, please contact us immed
iately.

A. falls

B. fall

C. fell

D. falling

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第3题
Directions: Fill in the blanks in the following pa...

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第4题
The novelist who was born in Poland wrote()

A.The portrait of A Lady

B.A Passage to India

C.The Heart of Darkness

D.Dubliners

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第5题
"So much the worse for me, that I an strong. Do I want to live? What kind of living
will it be when you-oh, God! Would you like to live with your soul in the grave?" In the above passage quoted from Emily Bronte‘s Wuthering Heights, the word "soul" apparently refers to _______ .

A.Heathcliff

B.Catherine

C.ghost

D.one‘s spiritual lift

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第6题
According to the passage, the MESBIC approach differs from the SBA approach in that MESBIC
’s______

A.seek federal contracts to provide marketsfor minority businesses

B.encourage minority businesses to provide markets for other minority businesses

C.attempt to maintain a specified rate of growth in the minority business sector

D.rely on the participation of large corporations to finance minority businesses

E.select minority businesses on the basis of their location

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第7题
The brain is a seemingly endless library, whose sh...

The brain is a seemingly endless library, whose shelves house our most precious memories as well as our lifetime’s knowledge. But is there a point where it reaches capacity. The answer is no, because brains are more sophisticated than that. Instead of just crowding in, old information is sometimes pushed out of the brain for new memories to form. Precious behavioral studies have shown that learning new information can lead to forgetting. But in a new study, researchers demonstrated for the first time how this effect occurs in the brain. In daily life, forgetting actually has clear advantages. Imagine, for instance, that just lost your bank card. The new card you receive will come with a new personal identification number(PIN). Each time you remember the new PIN, you gradually forget the old one. This process improves access to the relevant information, without old memories interfering. And most of us may sometimes feel the frustration of having old memories interfere with new, relevant memories. Consider trying to remember where you parked your car in the same car park you were at a week earlier. This type of memory (where you are trying to remember new, but similar information) is particularly vulnerable to interference. When we acquire new information, the main automatically tries to incorporate(合并) it within existing information by forming associations. And when we retrieve(检索) information, both the desired and associated but irrelevant information is recalled. The majority of previous research has focused on how we learn and remember new information. But current studies are beginning to place greater emphasis on the conditions under which we forget, and its importance begins to be more appreciated. A very small number of people are able to remember almost every detail of their life. While it may sound like an advantage to many, people with this rare condition often find their unusual ability burdensome. In a sense, forgetting is our brain’s way of sorting memories, so the most relevant memories are ready for retrieval. Normal forgetting may even be a safety mechanism to ensure our brain doesn’t become too full. What does the passage say about forgetting?

A、It can enlarge our brain capacity.

B、It helps get rid of negative memories.

C、It is a way of organizing our memories.

D、It should not cause any alarm in any way.

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第8题
A.1 1B.1 *C.* 1D.* *

A.1 1

B.1 *

C.* 1

D.* *

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第9题
A.SYN=1,序号=X+1B.SYN=1,序号=X+1,ACKX=1C.SYN=1,序号=Y,ACKX+1=1D.SYN=1,序号=Y,ACKY+1=1

A.SYN=1,序号=X+1

B.SYN=1,序号=X+1,ACKX=1

C.SYN=1,序号=Y,ACKX+1=1

D.SYN=1,序号=Y,ACKY+1=1

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第10题
A.U[1]=V[1]∧V[1]=W[1]∧W[1]'数据库'B.U[1]=V[2]∧V[2]=W[1]∧W[3]='数据库'C.U[1]=V[1]∧V[2]=

A.U[1]=V[1]∧V[1]=W[1]∧W[1]'数据库'

B.U[1]=V[2]∧V[2]=W[1]∧W[3]='数据库'

C.U[1]=V[1]∧V[2]=W[1]∧W[2]='数据库'

D.U[2]=V[2]A∧V[1]=W[2]∧V[2]='数据库'

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第11题
A.n加1或w加1B.m加1或w减1C.m减1或w加1D.m减1或w减1

A.n加1或w加1

B.m加1或w减1

C.m减1或w加1

D.m减1或w减1

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