Which of the following most accurately states the main idea of the passage? According to the passage, which of the following is

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问题 Which of the following most accurately states the main idea of the passage?
According to the passage, which of the following is a supposition rather than a fact concerning the queen in a naked mole rat colony?

选项 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.

答案B

解析 The best answer is B. The word “presumably” in line 14 of the passage indicates that it is certain that the queen in a naked mole rat colony exerts chemical control over the colony. The passage states that the queen is the largest member of the colony (Choice A). There is no indication of doubt concerning either the number of males the queen mates with (C) or her status as the only breeding female (E). The queen’s attainment of her status through aggression is indicated by the statement that when a queen dies other females fight violently for breeding status (D).
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