Radium salts, which have been found to _____ in bones, give rise to cancers of the bone.
#84281
A
pile up
B
build up
C
keep up
D
pull up
推荐题目
A notice was________in order to remind the students of the changed lecture time.
#71355
A
sent up
B
given up
C
set up
D
put up
giving a general introduction to computers,the course also provides practical experience.
#80924
A
In exchange for
B
Except for
C
In addition to
D
Due to
Hospital staff burst into cheers after doctors completed a 20hour operation to have _________ one-year-old twins at the head.
#82291
A
isolated
B
separated
C
divided
D
removed
Young people should be to believe that all races are equal.
#82956
A
looked up
B
brought in
C
brought up
D
looked in
The path in the park looked beautiful, _______ with_______leaves.
#77476
A
covered;falling
B
covered;fallen
C
covering;falling
D
covering,fallen