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    Many college students turn to ADHD（注意缺陷障礙）medicine during the exam week，which is regarded as "smart drugs" that will help their academic（學術的）performance.The thinking is that if the drugs help students with ADHD improve their focus，they should provide the same benefit for people who don't have the disorder.
    But a new study shows that drugs can actually damage brain function of healthy students who take the drug hoping to boost their intelligence. "It's not a smart drug which will suddenly improve their ability to understand information they read，" said Lisa Weyandt，a professor at the University of Rhode Island.
    To test whether this effect is real or not，researchers organized 13 students to take part in two five-hour study sessions（一段時間）in the lab.The students took the standard 30 mg ADHD drugs before one session，and a sugar pill before the other.Students on ADHD drugs did experience an increase in their blood pressure and heart rates. "The medicine was having an effect on their brain，" Weyandt said.The students also showed an improvement in their ability to focus，the researchers found.
    However，students on ADHD drugs experienced no improvement in reading comprehension，reading fluency or knowledge reviews，compared to when they'd taken a sugar pill. "We read aloud stories to them and asked them to recall information from the stories， "she said. "That didn't improve."
    Worse，the ADHD drug actually harms students' memory.It's often misused because people pull all-nighters and they're tired，and they think it's going to keep them awake.Maybe it does，but it's certainly not going to help their academic work.The brain is still developing until the mid to late 20s.It's important to keep it healthy.There's also a chance that ADHD drugs could endanger a student's heart health.

（1）Why do some college students take ADHD drugs？
B
B

A．To improve their sleeping.
B．To get higher marks.
C．To make them feel relaxed.
D．To treat brain disorder.
（2）Which of the following is closest in meaning to the word "boost" in Paragraph2？
C
C

A．Analyze.
B．Affect.
C．Improve.
D．Understand.
（3）What effect did ADHD drugs have on the students？
A
A

A．They became more focused.
B．Their blood pressure was reduced.
C．Their reading fluency was greatly raised.
D．They could remember better and more quickly.
（4）What is the author's attitude towards the ADHD drug？
D
D

A．Indifferent.
B．Positive.
C．Doubtful.
D．Negative.

【考點】健康；說明文．

【答案】B；C；A；D

【解答】

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發(fā)布：2024/8/7 8:0:9組卷：1引用：1難度：0.5

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The only thing you have to do is follow his advice.
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An old gentleman came to see the doctor.The man was very ill.He told the doctor about his weakness，memory loss and serious problems with his heart and lungs.The doctor examined him and said there was no medicine for his disease.He told his patient to go to a quiet place for a month and have a good rest.（4）

In other words，the doctor advised him to follow the rule：" Eat at pleasure，drink at pleasure and enjoy life as it is." The doctor also said that if the man wanted to be well again，he shouldn't smoke more than one cigarette a day.
   A month later the gentleman came into the doctor's office.（5）

He thanked the doctor and said that he had never felt a healthier man.
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A.He also advised him to eat a lot of meat，drink two glasses of red wine every day and take long walks.
B.You can't be good at your studies or work well when you are ill.
C.After that he will advise some treatment or some medicine.
D.Health is the greatest wealth.
E.He looked cheerful and happy.
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G.Speaking about doctor's advice，I can't help telling you a funny story
發(fā)布：2024/11/1 21:30:2組卷：35引用：4難度：0.6
解析
2．It's well-known that different foods provide us with different kinds of energy，and a balance of different kinds of food is good for our health.Here is a general introduction to the main food groups in our daily diet. （1）

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It is important to get different kinds of grains，such as those found in bread and different cereals every day.
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Try to eat lots of brightly colored fruits and vegetables as they have more vitamins.Try to eat fruits and vegetables every day，or drink a cup of fruit juice instead.
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These foods provide us with the protein that our body needs.Try to eat between 6 to 7 ounces of meat products so that we can get all the protein we need.
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A.This group is made up of meat，fish and the like.
B.Refined grains are lower in fiber than whole grains.
C.Meat and fish contain more protein than other food groups.
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發(fā)布：2024/11/10 17:30:1組卷：4引用：1難度：0.6
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A.You will stick to your diet.
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發(fā)布：2024/10/28 17:30:2組卷：38引用：2難度：0.5
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