题目内容
7．In 2003，eBay，a famous website _______ people buy and sell things，said that 70% of their problems were with people who cheated customers．（ ）| A． | which | B． | where | C． | that | D． | when |
分析 eBay是一家买卖东西的网站；在2003年eBay说他们70%的问题都与那些欺骗顾客的人有关．
解答 答案是B．本题考查关系词的选择；名词website后接定语从句，将先行词website带入到定语从句中，从句完整的表达为people buy and sell things in the website，可见in the website在句中做地点状语，故答案是B．
点评 选择定语从句中的关系词，首先要理解各关系词的用法；然后找准先行词，将先行词带入到定语从句；最后根据先行词在定语从句中的作用判断关系词．
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2．During the reconstruction of the city，many modern tall buildings went up ______ old shabby houses were torn down．（ ）
| A． | which | B． | in what | C． | in which | D． | where |
12．Work your brain!
Between 2 and 3 pounds of wonder，it controls everything we say，do or think，who we are and what we care about．The way we walk or laugh or figure out things．What we like and the talents we possess．How we see and talk and run and jump and process our food．
The brain uses 20 percent of our body's oxygen and 20 percent of its blood．Somewhere within its protein，fat，100，000 miles of blood vesse ls and 100 billion nerve cells，it helps us remember where we put our gym shoes．Change our temperature so we don't die because of the heat or cold．Speed us up or slow us down．Help us choose between orange juice or orangeflavored drinks．
Its complexity（复杂性） are stunning，far beyond anything most of us can imagine．To keep this work of art as polished as possible we need to eat right，exercise and keep mentally stimulated．Good nutrition helps brain cells communicate with each other．Exercise stimulates a hormone in our brain that improves memory．Mental stimulation keeps you sharp even as you age．
"It's very important that we tell people to be physically active and mentally active，"said neurologist Malcolm Stewart．"People cannot stop aging，but you're able to reduce the damage； you're able to keep the function up．"
Following are Dr．Stewart's advice for improving brain health：
54．The purpose of the author in writing this passage is toD．
A．inform us how the brain works
B．show how special the brain is to us
C．tell us that the brain plays an important role in our lives
D．give us advice on how to keep the brain healthy
55．The underlined word"stunning"meansA．
A．amazing
B．strange
C．important
D．interesting
56．According to the text，more exerciseC．
A．keeps our mind sharp
B．gives our brain a rest
C．helps improve our memory
D．is good for brain cells communicating with each other
57．In order to keep brain healthy，we should avoidA．
A．eating a large supper
B．doing puzzles
C．eating a good lunch
D．taking aerobic exercise．
Between 2 and 3 pounds of wonder，it controls everything we say，do or think，who we are and what we care about．The way we walk or laugh or figure out things．What we like and the talents we possess．How we see and talk and run and jump and process our food．
The brain uses 20 percent of our body's oxygen and 20 percent of its blood．Somewhere within its protein，fat，100，000 miles of blood vesse ls and 100 billion nerve cells，it helps us remember where we put our gym shoes．Change our temperature so we don't die because of the heat or cold．Speed us up or slow us down．Help us choose between orange juice or orangeflavored drinks．
Its complexity（复杂性） are stunning，far beyond anything most of us can imagine．To keep this work of art as polished as possible we need to eat right，exercise and keep mentally stimulated．Good nutrition helps brain cells communicate with each other．Exercise stimulates a hormone in our brain that improves memory．Mental stimulation keeps you sharp even as you age．
"It's very important that we tell people to be physically active and mentally active，"said neurologist Malcolm Stewart．"People cannot stop aging，but you're able to reduce the damage； you're able to keep the function up．"
Following are Dr．Stewart's advice for improving brain health：
| Nutrition | Avoid fast food．Follow the old adage（格言）：For breakfast，eat like a king； for lunch，like a queen； for supper，like a beggar． |
| Exercise | Do a combination of stretching aerobic and musclestrengthening every day． |
| Mental games | Try to have a sense of hope about the future．Do puzzles．Listen to music．Reach out to others to make their lives better． |
A．inform us how the brain works
B．show how special the brain is to us
C．tell us that the brain plays an important role in our lives
D．give us advice on how to keep the brain healthy
55．The underlined word"stunning"meansA．
A．amazing
B．strange
C．important
D．interesting
56．According to the text，more exerciseC．
A．keeps our mind sharp
B．gives our brain a rest
C．helps improve our memory
D．is good for brain cells communicating with each other
57．In order to keep brain healthy，we should avoidA．
A．eating a large supper
B．doing puzzles
C．eating a good lunch
D．taking aerobic exercise．