[填空题]Students with less sleep had problems with memory, remembering new material and ______.

[简答题]
In the first part of your essay you should state clearly your main argument, and in the second part you should support your argument with appropriate details. In the last part you should bring what you have written to a natural conclusion or make a summary.
Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the above instructions may result in a loss of marks.
Write your essay on ANSWER SIIEET FOUR.

[填空题]How the effect of having less sleep was measured.

[填空题]Generally speaking, you need less amount of sleep as you grow older.

[填空题]Sleep is crucial for good health. It helps memory and (26) , keeps you fit, strengthens your immune system, fights inflammation and keeps your heart and blood (27) in tip-top shape.
While you’re snoozing, the body repairs damaged (28) , produces crucial hormones and strengthens memories—a process called consolidation, which helps you perform a new skill better after sleeping than you would if you spent an (29) amount of time awake. It’s a way for the body to (30) everything that happened over the past waking day and to kind of prepare for the next day.
Short sleepers, typically (31) people who get less than six hours of sleep at night, as well as people who don’t spend enough time in the deepest stages of sleep, are at higher risk of heart attacks and strokes than those who get at least seven hours.
It’s not clear why sleep may affect the heart, or if there is some (32) factor that affects y

[单项选择]Surveys show that（）less sleep than we think,（）too much sleep could even harm our health
A. not only do we need,but that
B. not only we need,but also
C. not only we need, but that
D. not only do we need,but also

[单项选择]If a person has not had enough sleep, his actions will give him（）during the day.
A. away
B. in
C. up
D. back

[填空题]Granny Li had such a good memory that she could recall stories she had heard in her (child) _____.

[单项选择] Every street had a story, every building a memory. Those blessed with wonderful childhoods can drive the streets of their hometowns and happily roll back the years. The rest are pulled home by duty and leave as soon as possible. After Ray Atlee had been in Clanton (his hometown) for fifteen minutes he was anxious to get out. The town had changed, but then it hadn’’t. On the highways leading in, the cheap metal buildings and mobile homes were gathering as tightly as possible next to the roads for maximum visibility. This town had no zoning whatsoever. A landowner could build anything with no permit, no inspection, no notice to adjoining landowners, nothing. Only hog farms and nuclear reactors required approvals and paperwork. The result was a slash-and-build clutter that got uglier by the year. But in the older sections, nearer the square, the town had not changed at all. The long shaded streets were as clean and neat as when Ray roamed them on his bike. Most of the houses
A. close.
B. remote.
C. tense.
D. impossible to tell.