单项选择题

One of the hottest questions in the study of animal behavior is, "Do animals have emotions" The simple answer is, "Of course they do." Just look at them, listen to them, and, if you dare, smell the odors they emit when they interact with friends and foes. Look at their faces, tails, bodies and, most importantly, their eyes. What we see on the outside tells us a lot about what’s happening inside animals’ heads and hearts.
As a scientist who’s studies animal emotions for more than 30 years, I consider myself very fortunate. Whenever I observe or work with animals, I get to contribute to science and develop social relationships at the same time, and to me, there’s no conflict between the two. While stories about animal emotions abound, there are many lines of scientific support (what I call "social science") about the nature of animal emotions that are rapidly accumulating from behavioral and neurobiological studies (from the emerging field called social neuroscience). Common sense and intuition also feed into and support science sense and the obvious conclusion is that mammals, at the very least, experience rich and deep emotional lives, feeling passions from pure and contagious joy during play, to deep grief and pain. Recent data also shows that birds and fish are sentient and experience pain and suffering. Prestigious scientific journals regularly publish essays on joy in rats, grief in elements and empathy in mice.
The bottom line is that we know more about animal passions than we often admit, and we can no longer ignore the pain and suffering of other beings. Many people in higher education are faced with difficult questions about the use of animals in their classrooms and research laboratories and today we must accept that there are compelling reasons stemming from scientific research to limit and perhaps stop using animals in lieu of the numerous highly effective non-animal alternatives that are readily available.
In scientific research there are always surprises. Just when we think we’ve seen it all, new scientific data appear that force us to rethink what we know and to revise our stereotypes. For example, spindle cells, which were long thought to exist only in humans and other great apes, have recently been discovered in humpback whales, fin whales, killer whales and sperm whales in the same area of their brains as spindle cells in human brains. This brain region is linked with social organization, expathy and intuition about the fellings of others, as well as rapid gut reactions. Spindle cells are important in processing emotions. It’ S likely that if we seek the presence of spindle cells in other animals we will find them.
The author considers himself very fortunate because ______.

A. he has studied animal emotions for more than 30 years
B. he is one of the few scientists who study animal emotions
C. he has found scientific evidences to support the notion of animal emotions
D. he hasn’t found any conflict between the study of animal behavior and his interest
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单项选择题
He first became aware of a racial disparity because of ______. A. the vagueness of his African ancestry B. the unfair treatment of him at school C. the miserable sufferings of the slaves D. the inhibitions haunting his parents
As a student, Du Bois was considered something of a prodigy who excelled beyond the capabilities of his white peers. He found work as a correspondent for New York newspapers, and slowly began to realize the inhibitions of social boundaries he was expected to observe every step of the way. When racism tried to take his pride and dignity, he became more determined to make sure society ’recognized his achievements.
Clearly, Du Bois showed great promise, and although he dreamt of attending Harvard, some influential members Of his community arranged for his education at Fisk University in Nashville. His experiences at Fisk changed his life, and he discovered his fate as a leader of the black struggle to free his people from oppression. At Fisk, Du Bois became acquainted with many sons and daughters of former slaves, who felt the pain of oppression and shared his sense of cultural and spiritual tradition. In the South, he saw his people being driven to a status of little difference from slavery, and saw them terrorized at the polls. He taught school during the summers in the eastern portion of Tennessee, and saw the suffering firsthand. He then resolved to dedicate his life to fighting the terrible racial oppression that held the black people down, both economically and politically.
Du Bois’s determination was rewarded with a scholarship to Harvard, where he began the first scientific sociological studies in the United States. He felt that through science, he could dispel the irrational prejudices and ignorance that prevented racial equality. He went on to create great advancements in the study of race relations, but oppression continued with segregation laws, lynching, and terror tactics on the rise. Du Bois then formed the Niagara Movement, and in 1909, was a vital part in establishing the National Association for the Advancement of Colored People. He was also the editor of the NAACP magazine The Crisis from 1910 to 1934. In this stage of his life, he encouraged direct assaults on the legal, political, and economic system, which he felt blossomed out of the exploitation of the poor and powerless black community.
He became the most important black protest leader of the first half of the 20th century. His views clashed with Booker T. Washington, who felt that the black people of America had to simply accept discrimination, and hope to eventually earn respect and equality through hard work and success. Du Bois wrote The Souls of Black Folk in 1903, criticizing Booker, claiming that his ideas would lead to a perpetuation of oppression instead of freeing the black people from it. Du Bois’s criticism lead to a branching out of the black civil rights movement, Booker% conservative followers, and a radical following of his critics.
Du Bois had established the Black .Nationalism that was the inspiration for all black empowerment throughout the civil rights movement, but had begun during the progressive era. Although the movement that germinated from his ideas may have taken on a more violent form, Web Du Bois felt strongly that every human being could shape their own destinies with determination and hard work. He inspired hope by declaring that progress would come with the success of the small struggles for a better life.