n. a person who operates the controls of an aircraft, especially as a job
A. pilot
B. pitch
C. ribbon
D. pluck
查看答案
a. very silly or unreasonable
A. ridiculous
B. preceding
C. radiate
D. regardless
ad. paying no attention, even if the situation is bad or there are difficulties
A. regardless
B. proceed
C. qualify
D. ridiculous
n. a collection of poems; poems in general
A. poverty
B. property
C. poetry
D. portrait
vt.to make sth. pure by removing substances that are dirty, harmful or not wanted
A. penetrate
B. purify
C. peel
D. reinforce