阅读理解
47-56：G K J L H D E O F I
57-61：D A C C A
62-66：B A D C B
67-71：D B B B B
72-76：D B C B D
77-81：A D C D B
82-86：D D A C C
87.in focusing on the experiment
88.did she ever lose her temper
89.being invited to the opening ceremony
90.be set aside
91. her parents’ strong objection