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Câu hỏi: Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 39 to 43.
It used to be that people would drink coffee or tea in the morning to pick them up and get them going for the day. Then cola drinks hit the market. With lots of caffeine and sugar, these beverages soon became the pick-me-up of choice for many adults and teenagers. Now drink companies are putting out so-called "energy drinks." These beverages have the specific aim of giving tired consumers more energy.
One example of a popular energy drink is Red Bull. The company that puts out this beverage has stated in interviews that Red Bull is not a thirst quencher. Nor is it meant to be a fluid replacement drink for athletes. Instead, the beverage is meant to revitalize a tired consumer's body and mind. In order to do this, the makers of Red Bull, and other energy drinks, typically add vitamins and certain chemicals to their beverages. The added chemicals are like chemicals that the body naturally produces for energy. The vitamins, chemicals, caffeine, and sugar found in these beverages all seem like a sure bet to give a person energy.
Health professionals are not so sure, though. For one thing, there is not enough evidence to show that all of the vitamins added to energy drinks actually raise a person's energy level. Another problem is that there are so many things in the beverages. Nobody knows for sure how all of the ingredients in energy drinks work together.
Dr. Brent Bauer, one of the directors at the Mayo Clinic in the US, cautions people about believing all the claims energy drinks make. He says, "It is plausible if you put all these things together, you will get a good result." However, Dr. Bauer adds the mix of ingredients could also have a negative impact on the body. "We just don't know at this point," he says.
A. Natural chemicals in a person's body
B. The average age of the consumer
C. The number of beverage makers
D. The mixture of various ingredients
It used to be that people would drink coffee or tea in the morning to pick them up and get them going for the day. Then cola drinks hit the market. With lots of caffeine and sugar, these beverages soon became the pick-me-up of choice for many adults and teenagers. Now drink companies are putting out so-called "energy drinks." These beverages have the specific aim of giving tired consumers more energy.
One example of a popular energy drink is Red Bull. The company that puts out this beverage has stated in interviews that Red Bull is not a thirst quencher. Nor is it meant to be a fluid replacement drink for athletes. Instead, the beverage is meant to revitalize a tired consumer's body and mind. In order to do this, the makers of Red Bull, and other energy drinks, typically add vitamins and certain chemicals to their beverages. The added chemicals are like chemicals that the body naturally produces for energy. The vitamins, chemicals, caffeine, and sugar found in these beverages all seem like a sure bet to give a person energy.
Health professionals are not so sure, though. For one thing, there is not enough evidence to show that all of the vitamins added to energy drinks actually raise a person's energy level. Another problem is that there are so many things in the beverages. Nobody knows for sure how all of the ingredients in energy drinks work together.
Dr. Brent Bauer, one of the directors at the Mayo Clinic in the US, cautions people about believing all the claims energy drinks make. He says, "It is plausible if you put all these things together, you will get a good result." However, Dr. Bauer adds the mix of ingredients could also have a negative impact on the body. "We just don't know at this point," he says.
(Trích từ đề minh họa lần 1, 2017)
According to the passage, what makes it difficult for researchers to know if an energy drink gives people energy?A. Natural chemicals in a person's body
B. The average age of the consumer
C. The number of beverage makers
D. The mixture of various ingredients
Theo đoạn văn này, điều gì làm cho các nhà nghiên cứu khó đoán biết được loại nước tăng lực đó có thực sự tăng lực cho con người hay không?
A. Chất hóa học tự nhiên có sẵn trong cơ thể người tiêu dùng.
B. Độ tuổi trung bình của người tiêu dùng.
C. Số lượng của các nhà sản xuất/hãng sản xuất đồ uống.
D. Sự hỗn hợp của nhiều thành phần khác nhau.
Căn cứ vào thông tin sau trong đoạn văn:
Health professionals are not so sure, though. For one thing, there is not enough evidence to show that all of the vitamins added to energy drinks actually raise a person's energy level. Another problem is that there are so many things in the beverages. Nobody knows for sure how all of the ingredients in energy drinks work together.
(Mặc dù vậy, các chuyên gia về sức khỏe không chắc về điều này. Một vấn đề là không có đủ bằng chứng để chỉ ra rằng tất cả các vitamins được cho vào nước tăng lực thực sự tăng lực cho một người. Một vấn đề khác nữa là có quá nhiều thứ trong các loại đồ uống. Không ai biết chắc rằng tất cả những thành phần trộn trong các loại nước tăng lực đó sẽ cho tác dụng như nào.)
A. Chất hóa học tự nhiên có sẵn trong cơ thể người tiêu dùng.
B. Độ tuổi trung bình của người tiêu dùng.
C. Số lượng của các nhà sản xuất/hãng sản xuất đồ uống.
D. Sự hỗn hợp của nhiều thành phần khác nhau.
Căn cứ vào thông tin sau trong đoạn văn:
Health professionals are not so sure, though. For one thing, there is not enough evidence to show that all of the vitamins added to energy drinks actually raise a person's energy level. Another problem is that there are so many things in the beverages. Nobody knows for sure how all of the ingredients in energy drinks work together.
(Mặc dù vậy, các chuyên gia về sức khỏe không chắc về điều này. Một vấn đề là không có đủ bằng chứng để chỉ ra rằng tất cả các vitamins được cho vào nước tăng lực thực sự tăng lực cho một người. Một vấn đề khác nữa là có quá nhiều thứ trong các loại đồ uống. Không ai biết chắc rằng tất cả những thành phần trộn trong các loại nước tăng lực đó sẽ cho tác dụng như nào.)
Đáp án D.