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  3. Which of the following is the most suitable title for the text? What can be inferred from the example of the antlion in the fir

Which of the following is the most suitable title for the text? What can be inferred from the example of the antlion in the fir

admin2009-04-27  90
问题 Which of the following is the most suitable title for the text?
What can be inferred from the example of the antlion in the first paragraph?
选项 A、Instincts of animals can lead to unreasonable reactions of animals in a strange situation.
B、when it is engaged in a chain actions it cannot be interrupted.
C、Environment and heredity are two supplementary factors in the evolution of insects.
D、Along the lines of evolution heredity becomes less and environment more important.
答案A
解析 动物的本能可导致它在陌生环境的难以理解的反应。第一段提到狮蚁往往会做出让人不可思议的举动。其他选项：当它参与连锁行动时它不能受到干扰、环境和遗传在昆虫进化中是两个补充因素、沿着进化方向遗传作用变小环境变得更为重要，皆与文意不符。
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