不知不觉，距离AMC8考试还剩两周，大家都准备好了吗？新一期AMC8真题训练挑战又来啦，本期题目是以运算为主。
P.S.本期题目均出自2023年AMC8真题。
第1题
Harold made a plum pie to take on a picnic. He was able to eat only 1/4 of the pie, and he left the rest for his friends. A moose came by and ate 1/3 of what Harold left behind. After that, a porcupine ate 1/3 of what the moose left behind. How much of the original pie still remained after the porcupine left?
哈罗德做了一个李子派准备带去野餐。他只吃了 1/4，剩下的留给了朋友。一只麋鹿经过，吃掉了哈罗德留下的 1/3。之后，一只豪猪吃掉了麋鹿留下的 1/3。豪猪走后，原来的馅饼还剩下多少？
请选择你认为正确的选项：
A.1/12
B. 1/6
C. 1/4
D. 1/3
E. 5/12
正确选项：D
第2题
NASA’s Perseverance Rover was launched on July 30,2020. After traveling 292,526,838 miles, it landed on Mars in Jezero Crater about 6.5 months later. Which of the following is closest to the Rover’s average interplanetary speed in miles per hour?
美国国家航空航天局的 "毅力号 "漫游车于 2020 年 7 月 30 日发射升空。经过 292,526,838 英里的飞行，大约 6 个半月后，它在火星的杰泽罗陨石坑着陆。以下哪项最接近漫游者的星际平均速度（英里/小时）？
请选择你认为正确的选项：
A. 6,000
B. 12,000
C. 60,000
D. 120,000
E. 600,000
正确选项：C
第3题
Along the route of a bicycle race, 7 water stations are evenly spaced between the start and finish lines, as shown in the figure below. There are also 2 repair stations evenly spaced between the start and finish lines. The 3rd water station is located 2 miles after the 1st repair station. How long is the race in miles?
如上图所示，在自行车比赛的沿途，起点线和终点线之间均匀分布着 7 个饮水站。在起点线和终点线之间还均匀分布着 2 个维修站。第 3 个饮水站位于第 1 个维修站之后 2 英里处。以英里为单位，赛程有多长？
请选择你认为正确的选项：
A. 8
B. 16
C. 24
D. 48
E. 96
正确选项：D
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