A. passing them a rope B. Directing them to store food for winter
C. Teaching them a lesson D. Showing them how to use the bridge.
69.【答案】D
【命题】词义猜测题。考查对文中特定词语的理解和判断能力。
【解析】根据前面的guiding their young，可以推断此处应该是松鼠教它们的孩子如何使用绳索，而不是给它们递绳子，也不是给它们一个教训。
70. Which of the following is true of the squirrel bridge?
A. It was replaced by a longer one.  B. It was built from wood and metal
C. it was rebuilt after years of use  D. It was designed by Bill Hutch.
70.【答案】C
【命题】细节理解题。考查对文章特定细节的理解和判断能力。
【解析】根据文章倒数第二段中的In 1983, after 20 years of use, Peters took down the worn-out bridge. Repairs were made and crosspieces were replaced.可知，绳索用了20年后，Peters进行了修缮，并替换上了新的绳索。文中没有涉及是否替换的绳索更长；第五段中提到绳索是铝制的，而且是一个architect设计的，只是说Peters和Hutch开始建设，因此可以排除其他选项。
71. What can we learn about Amos Peters?
A. He is remembered for his love of animals.
B. He donated $1,000 to build the bridge
C. He was a member of the City Council
D. He was awarded a medal for building the bridge.
71.【答案】A
【命题】推理判断题。考查对文章言外之意进行符合逻辑的推理能力。
【解析】根据最后一段中的…a ten-foot wooden squirrel sculpture was placed near the bridge in memory of its builder and his devotion to the project.可以推断，Peters因为爱动物，倡导修建这座桥而被人们记住。文中没有提到他是否因此得到奖章，因此可以排除D。

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