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You could fill a store with all the energy drinks available. They promise to make people feel more energetic and think more clearly. These products have names like Red Bull, Monster, Ripped Force, Speed Stack and 5-Hour Energy. They appeal mainly to young people.

Professor Chad Reissig, at Johns Hopkins University in Baltimore, is a medical researcher who studies drug dependence. He says the team he works on got interested in studying energy drinks.

He says the researchers have found three things. One: there are hundreds of brands of energy drinks in most major countries. Two: the drinks are not clearly labeled with enough information. And three: the amount of caffeine differs greatly. Some contain as little as fifty milligrams, while others as much as five hundred.

Some people combine energy drinks with alcohol. They think they can drink more alcohol that way and not be affected. Studies, however, suggest that they are still under the influence of the alcohol even if they do not feel that way.

Some makers of energy drinks do provide warnings. For example, a popular energy drink warns against use by people who are under the age of twelve. The directions also advise people to limit caffeine products and to drink only half the bottle.

The team at Johns Hopkins University published a report in the journal Drug and Alcohol Dependence. They suggested that the amount of caffeine and other ingredients be clearly listed on the drink. The researchers are continuing to study energy drinks. They are seeking young people who have had a bad experience after drinking them.

50. According to the passage, the energy drinks mainly attract____.

A. young people                                   B. alcohol drinkers

C. university professors                        D. twelve-year-old children

51. The team thinks that the biggest problem of the energy drinks is that        .

A. there are too many brands               B. they are not clearly labeled

C. there is too much caffeine               D. they are not available in some stores

52. The purpose of the passage is to tell readers       .

A. to identify caffeine in energy drinks

B. to take a closer look at energy drinks

C. whether energy drinks are good or bad

D. whether energy drinks make people addicted

You could fill a store with all the energy drinks available. They promise to make people feel more energetic and think more clearly. These products have names like Red Bull, Monster, Ripped Force, Speed Stack and 5-How Energy. They appeal mainly

to young people.

Professor Chad Reissig, at Johns Hopkins University in Baltimor, is a medical researcher who studies drug dependence. He says the team he works on got interested in studying energy drinks.

He says the researchers have found three things. One : there are hundreds of brands of energy

Drinks in most major countries. Two : the drinks are not clearly labeled（標(biāo)簽標(biāo)明）with enough

Information. And three: the amount of caffeine（咖啡因）differs greatly. Some contain as little as fifty milligrams, others as much as five hundred.

Some people combine energy drinks with alcohol. They think they can drink more alcohol that way and not be affected. Studies, however, suggest that they are still under the influence of the alcohol even if they do not feel that way.

Some makers of energy drinks do provide warnings. For example a popular energy warns against use by people who are under the age of twelve. The directions also advise people to limit caffeine products and to drink only half the bottle.

    The team at Johns Hopkins University published a report in the journal Drug and Alcohol Dependence. They suggested that better labeling with the amount of caffeine and other ingredients （成分）be clearly listed on the drink. The researchers are continuing to study energy drinks. They are seeking young people who have had a bad experience after drinking them.

1．According to the passage, the energy drinks mainly attract        .

       A．young people                                       B．a(chǎn)lcohol drinkers

       C．university professors                            D．twelve-year-old children

2．The team thinks that the biggest problem of the energy drinks is that          .

       A．there are too many brands                    B．they are not clearly labeled

       C．there is too much caffeine                    D．they are not available in some stores

3．The purpose of the passage is to tell readers        .

       A．to identify caffeine in energy drinks

       B．to take a closer look at energy drinks

       C．whether energy drinks are good or bad

       D．whether energy drinks make people addicted

You could fill a store with all the energy drinks now available. They promise to make people feel more energetic and think more clearly. These products have names like Red Bull, Monster, Ripped Force, Speed Stack and 5-Hour Energy. They appeal mainly to young people and are fueled mainly by caffeine.

Chad Reissig at Johns Hopkins University in Baltimore, Maryland, is a medical researcher who studies drug dependence. He says the team he works on got interested in studying energy drinks because of the explosion in their popularity in the last few years.

He says the researchers found three major things. One: there are hundreds of brands of energy drinks in most major countries. Two: the drinks are not clearly labeled with enough information. And three: the amount of caffeine varies greatly. Some contain as little as fifty milligrams, others as much as five hundred.

By comparison, a cup of Starbucks brewed coffee contains 330 milligrams in 473 milliliters.

Some energy drinks contain a mixture of ingredients listed as an “energy blend(混合物)”. Ingredients like taurine, guarana and inositol are natural substances. But Chad Reissig says scientists do not know a lot about them and how they interact with each other and caffeine. And worse, he says, there is no listing of the amount  of each ingredient.

Some people combine energy drinks with alcohol. They think they can drink more alcohol that way and not be affected. Studies, however, suggest that they are still under the influence of the alcohol even if they do not feel that way.

Some makers of energy drinks do provide warnings. For example, a popular energy shot warns against use by people who are pregnant, nursing a baby or under the age of twelve. Energy shots are small bottles of liquid. The directions also advise people to limit caffeine products and drink only half the bottle if they want a moderate (適度的) amount of energy.

The team at Johns Hopkins University School of Medicine published a report in the journal Drug and Alcohol Dependence. They suggested better labeling with the amount of caffeine and other ingredients clearly listed on the drink. The researchers are continuing to study energy drinks. They are currently seeking young people who have had a bad experience after drinking them.

認(rèn)真閱讀下面短文，并根據(jù)所讀內(nèi)容在文章后表格中的空格里填入最恰當(dāng)?shù)膯卧~。(注意：每空填1個(gè)單詞。)

You could fill a store with all the energy drinks now available. They promise to make people feel more energetic and think more clearly. These products have names like Red Bull, Monster, Ripped Force, Speed Stack and 5-Hour Energy. They appeal mainly to young people and are fueled mainly by caffeine.

Chad Reissig at Johns Hopkins University in Baltimore, Maryland, is a medical researcher who studies drug dependence. He says the team he works on got interested in studying energy drinks because of the explosion in their popularity in the last few years.

He says the researchers found three major things. One: there are hundreds of brands of energy drinks in most major countries. Two: the drinks are not clearly labeled with enough information. And three: the amount of caffeine varies greatly. Some contain as little as fifty milligrams, others as much as five hundred.

By comparison, a cup of Starbucks brewed coffee contains 330 milligrams in 473 milliliters.

Some energy drinks contain a mixture of ingredients listed as an “energy blend(混合物)”. Ingredients like taurine, guarana and inositol are natural substances. But Chad Reissig says scientists do not know a lot about them and how they interact with each other and caffeine. And worse, he says, there is no listing of the amount  of each ingredient.

Some people combine energy drinks with alcohol. They think they can drink more alcohol that way and not be affected. Studies, however, suggest that they are still under the influence of the alcohol even if they do not feel that way.

Some makers of energy drinks do provide warnings. For example, a popular energy shot warns against use by people who are pregnant, nursing a baby or under the age of twelve. Energy shots are small bottles of liquid. The directions also advise people to limit caffeine products and drink only half the bottle if they want a moderate (適度的) amount of energy.

The team at Johns Hopkins University School of Medicine published a report in the journal Drug and Alcohol Dependence. They suggested better labeling with the amount of caffeine and other ingredients clearly listed on the drink. The researchers are continuing to study energy drinks. They are currently seeking young people who have had a bad experience after drinking them.

任務(wù)性閱讀（共10小題；每小題1分，滿分10分）

認(rèn)真閱讀下面短文，并根據(jù)所讀內(nèi)容在文章后表格中的空格里填入最恰當(dāng)?shù)膯卧~。(注意：每空填1個(gè)單詞。)

You could fill a store with all the energy drinks now available. They promise to make people feel more energetic and think more clearly. These products have names like Red Bull, Monster, Ripped Force, Speed Stack and 5-Hour Energy. They appeal mainly to young people and are fueled mainly by caffeine.

Chad Reissig at Johns Hopkins University in Baltimore, Maryland, is a medical researcher who studies drug dependence. He says the team he works on got interested in studying energy drinks because of the explosion in their popularity in the last few years.

He says the researchers found three major things. One: there are hundreds of brands of energy drinks in most major countries. Two: the drinks are not clearly labeled with enough information. And three: the amount of caffeine varies greatly. Some contain as little as fifty milligrams, others as much as five hundred.

By comparison, a cup of Starbucks brewed coffee contains 330 milligrams in 473 milliliters.

Some energy drinks contain a mixture of ingredients listed as an “energy blend(混合物)”. Ingredients like taurine, guarana and inositol are natural substances. But Chad Reissig says scientists do not know a lot about them and how they interact with each other and caffeine. And worse, he says, there is no listing of the amount  of each ingredient.

Some people combine energy drinks with alcohol. They think they can drink more alcohol that way and not be affected. Studies, however, suggest that they are still under the influence of the alcohol even if they do not feel that way.

Some makers of energy drinks do provide warnings. For example, a popular energy shot warns against use by people who are pregnant, nursing a baby or under the age of twelve. Energy shots are small bottles of liquid. The directions also advise people to limit caffeine products and drink only half the bottle if they want a moderate (適度的) amount of energy.

The team at Johns Hopkins University School of Medicine published a report in the journal Drug and Alcohol Dependence. They suggested better labeling with the amount of caffeine and other ingredients clearly listed on the drink. The researchers are continuing to study energy drinks. They are currently seeking young people who have had a bad experience after drinking them.