64. Which of the following is true according to the second paragraph?

A. They made a careful preparation before the trip

B. They children were more joyful than their parents.

C. Bright Angel Trail was not as lovely as they expected.

D. The summer heat prevented them from enjoying the view.

65. The underlined expression “Our legs were like jelly” probably means            .

A. we were weak            B. we were unhappy     

C. we were dissatisfied        D. we were disappointed

66. Which of the following best describes their Canyon trip by air?

A. It proved to be frightening.    B. It was more comfortable

C. It turned out to be exciting     D. It made each of them tired.

67. We can infer from the passage that          .

A. experiencing the Canyon on mules would be the best way

B. one needs to dress less when visiting the Grand Canyon.

C. the writer was not serious when she made the suggestion.

D. the whole family narrowly escaped from the air accident.

【参考答案】64―67、CAAC