A、 use
B、 effect
C、 service
D、 existence
答案:B
A、 use
B、 effect
C、 service
D、 existence
答案:B
A. define
B. definitions
C. definition
D. defined
A. he wishes to make full use in school
B. he wants to prove his independence
C. he wishes to do the opposite of what his parents approve of
D. he wants to show his love for his parents
A. scholarly
B. academic
C. science
D. theoretical
A. promoting
B. stimulating
C. encouraging
D. enhancing
A. overcome
B. encounter
C. overthrow
D. overwhelm
A. because
B. though
C. so
D. while
A. at
B. on
C. to
D. off
A. protect
B. conserve
C. store
D. keep
A. replace
B. wrap
C. ditch
D. estimate