三、克漏字測驗【請依照段落上下文意，選出最適當的答案】 第一篇：    You are seated on your flight, ready for takeoff, already thinking about what you’ll do once you land.However, 34 things must be considered before your plane takes to the skies. 35 , someone mustdetermine how much fuel the plane needs. They also have to decide how to change its schedule if there’sdangerous weather. The skilled workers handling these matters are 36 flight dispatchers. They workbehind the scenes to make sure each plane has a safe journey.   Flight dispatchers organize flight schedules and track planes’ passages from special centers on the ground.They’re also 37 making sure planes and their crews meet safety guidelines.   Because flight dispatchers have such important roles, people must go through lots of traini ng before theycan become one. First, they need to take five to six weeks of air travel classes to become certified. Then, they38 more than a year working under real flight dispatchers as an assistant to get hands-on experience.Afterward, they take a written and oral exam on what they’ve learned. If they pass these, they’ll earn theirwings and become one of the workers keeping our skies safe.
34.
(A) an amount of
(B) the amount of
(C) a number of
(D) the number of