1-7 CDBDDDC

　　8. National Committee

　　9. Team manager

　　10. five years

　　46. Slowly, they began to make new discoveries and found out more about the way the body works.

　　47 E)hesitation 48 I)original 49 F)progressive 50 J)novel 51 L)burning

　　52 H)distantly 53 A)invented 54 N)custom 55 B)celebrate 56 D)symbols

　　57-61 DADBB

　　62-66 ACDCA

　　67.A 68.C 69.B 70.D 71.D 72.C 73.A 74.B 75.C 76.D

　　77.C 78.C 79.A 80.B 81.C 82.A 83.D 84.A 85.B 86.D

　　87. the more confused I am

　　88. did he ever lose her temper/get angry/blow up

　　89. being invited to attend/participate/take part in the opening ceremony

　　90. finding the way to the history museum

　　91. at the rate of 12 million people per year/every year