2. 职称英语
  3. The pilot of a small aircraft with a 40-gallon fuel tank wants to fly to Clevela

The pilot of a small aircraft with a 40-gallon fuel tank wants to fly to Clevela

游客2024-01-14  20
问题 The pilot of a small aircraft with a 40-gallon fuel tank wants to fly to Cleveland, which is 480 miles away. The pilot recognizes that the current engine, which can fly only 8 miles per gallon, will not get him there. By how many miles per gallon must the aircraft’s fuel efficiency be improved to make the flight to Cleveland possible?
选项 A、2
B、4
C、12
D、40
E、160
答案 B
解析 For an aircraft with a 40-gallon tank to fly 480 miles, it must average at least 480/40=12 miles per gallon. 12-8=4.
转载请注明原文地址:https://tihaiku.com/zcyy/3360389.html
相关试题推荐
随机试题
最新回复(0)