According to the passage, which of the following is a supposition rather than a fact concerning the queen in a naked mole rat colony？
A. She is the largest member of the colony.
B. She exerts chemical control over the colony.
C. She mates with more than one male.
D. She attains her status through aggression.
E. She is the only breeding female.
查看答案
流行病学主要研究的问题是
A. 疾病分布及影响分布的因素
B. 疾病韵病因
C. 疾病的防治措施
D. 流行病研究方法
E. 以上均是
The author implies tha5t which of the following will occur if textbooks are not carefully
A. Children will remain ignorant of the European settlers’ conquest of the New World.
B. Children will lose their ability to recognize biases in textbooks.
Children will form. negative stereotypes of Native Americans.
D. Children will develop an understanding of ethnocentrism.
E. Children will stop taking textbooks seriously.
One function of the third paragraph of the passage is to______
A. state a conclusion about facts presented in an earlier paragraph
B. introduce information that is contradicted by information in the fourth paragraph
C. qualify the extent to which two previously mentioned groups might be similar
D. show the chain of reasoning that led to the conclusions of a specific study
E. demonstrate that, of three explanatory factors offered, two may be of equal significance
The passage suggests that which of the following was true of Black units’ disease mortality rates in the Civil War？
A. They were almost as high as the combat mortality rates of White units.
B. They resulted in part from the relative inexperience of these units when in combat.
C. They were especially high because of the nature of these units’ usual duty assignments.
D. They resulted in extremely high overall casualty rates in Black combat units.
E. They exacerbated the morale problems that were caused by the army’s discriminatory policies.
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