A. Jesse Jackson embraced the term ―African American‖ because it is free from discrimination.
B. The naming of any ethnic (种族) group is political sensitive.
C. Before the study conducted by Erika Hall, researchers had identified the causes of the gap in
perception of racial discrimination.
D. A man identified as ―African American‖ is thought of as more capable than he is identified as
―Black‖.
61. Erika Hall’s experiment about a man with the last name Williams indicates that ________.
A. African Americans fare better than many other ethnic groups
B. Black people's socioeconomic status in America remains low
C. People's conception of a person has much to do with the way he or she is labeled
D. One's professional standing and income are related to their educational background
62. From the underlined sentences in the last paragraph, we can know that Dr. Du Bois' hope is ________.
A. All Americans enjoy equal rights
B.A person is judged by their worth
C. A new term is created to address African Americans
D. All ethnic groups share the nation's continued progress
C
Garlic is one of the most common cooking ingredients around the world. Many dishes in Europe, Africa, Asia and the Americas use this strong-flavored vegetable.
Garlic is similar to other bulb-shaped plants, including onions, chives, leeks and scallions. But garlic is special. For centuries, people have used garlic not only for cooking, but also for medicine.
Medicinal garlic throughout time.
Researchers at the Memorial Sloan-Kettering Cancer Center and Cornell University studied the medicinal use of garlic throughout history. They found references to garlic in ancient texts from Egypt, Greece, Rome, China and India.
For example, in ancient Greece and Rome, people considered garlic an aid to strength and endurance.
The original Olympic athletes in Greece ate garlic to improve their performance. The ancient Romans fed garlic to the soldiers and sailors.
Workers who built the pyramids in Egypt ate garlic. In fact, this is a theme throughout early history -- workers eating garlic to increase their strength.
Some researchers in China have gone so far as to call hydrogen sulfide the key to a longer life.
__________________!
In a 2007 study, researchers at the University of Alabama at Birmingham studied how garlic increased hydrogen sulfide and how that, in turn, affected red blood cells.
David Kraus led that study.
In 2013, scientists were finally able to see this process happen. Chemists Alexander Lippert of Southern Methodist University in Dallas and Vivian S. Lin discovered how to observe this process in living human cells.
Their discovery has opened the door to more research into the health benefits of garlic and the production of hydrogen sulfide in the body.
In a 2015 experiment at Penn State University, researchers injected a solution that would create
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