单选题 . What have NoT been tested for the twenty healthy radiologists?

A、 Blood pressure.

B、 Thyroid hormones.

C、 Heart rate.

D、 Blood samples.

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相关试题

单选题 The purpose of the new study is to find out().

A、 facts that may influence heart health

B、the relation between sleep and heart attack

C、 how sleep deprivation affects heart health

D、what may cause changes in the heart

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单选题 According to the results of the study, which of the following symptoms are NoT caused by stress?

A、 A precursor for heart problems.

B、 An increase in blood pressure.

C、) An increase in heart rate.

D、An increase in thyroid hormones.

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单选题 According to the passage, what are the problems of the cities in the "good old days"?

A、 A lack of waste disposal.

B、 Poor planning, problems in low-income neighborhoods, and public transportation.

C、Pollution and infectious diseases.

D、 All of the above.

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单选题 According te the text, who might be included in the subjects of the study taken by researchers from the University of Bonn?

A、Experts who work many hours

B、Professionals who endure significant stress.

C、Doctors in emergency medical care

D、Workers who work on late-night shifts

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单选题 . Which of the following can describe Dr. Adrian's attitude towards today's cities?

A、 Disappointed.

B、 Worried.

C、Optimistic.

D、 Pessimistic.

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单选题 . In Dr. Adrian's opinion, today's American cities are().

A、worse than the cities in the "good old days"

B、better than the cities in the so-called "good old days"

C、more seriously polluted than in the "good old days"

D、 polluted by horses and other animals

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单选题 . In the last paragraph, "communicable diseases" refer to ().

A、the diseases that cause people unable to communicate

B、the diseases that result in deafness

C、 the diseases that result in blindness

D、the diseases that spread from person to person

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单选题 What's the significance of the research?

A、The small size of the study.

B、 The continued research to be conducted.

C、The meaningful insight.

D、 The initiative of the study.

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