Question 45: What is the main topic of the passage?A. the life cycle of the cicadas B. The reproductive behavior of cicadasC. The aria in which cicadas live D. The period in which cicadas liveQuestion 46: According to the article, why does the insect invasion last only a few months?A. Because people kill insect B. because insects go back underground.C. because the sunlight kills them. D. None of the answerQuestion 47: the word “seaboard” in the passage means .A. coast B. ocean C. populated area D. none of the answersQuestion 48: Which is the best place to locate the following sentence? “They are the longest-lived insects in nature”A.[1] B. [2] C. [3] D. [4]Question 49:Which is the likely reason why billions of cicadas do not destroy all of the food in the invasion zone ?A.Because many other insects, birds, and animals eat the cicadas. B. Because they do not eat when they are above groundC. Because they are in relatively small area D. none of the answersQuestion 50: Cicada nymphs do all of the following EXCEPT A.dig B. eat C. reproduce D. transformQuestion 51: Which of the following makes the cicadas unusual?A.They are above ground only a few months of their lives B.Mature cicadas are not seen every yearC. They live most of their lives as nymphs D.all of the answerQuestion 52: According to the passage, why do cicadas emerge above ground ?A. to burrow B. to count the years C. to reproduce D. transformQuestion 53: According to the passage, which of the following is NOT true about cicadas?A.They cover trees, buildings and poles B.They may appear once every 14 yearsC. They live on tree roots D. They have an unknown method for measuring their time below groundQuestion 54: Complete the summary by choosing one sentence ( A, B, C or D ) that is among the most important information to fill in the blank.A. The invasion zone covers most of the eastern United StatesB. The insects emerge every 13 to 17 years quickly mature and reproduceC. Cicadas are small and black transparent wingsD. The invasion will last only a few days
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