Radium salts，which have been found to ______ in bones，give rise to bone cancer.
#71991
A
pile up
B
build up
C
keep up
D
pull up
推荐题目
I ______, no, I am quite certain, that he is unwelcome in the neighborhood.
#66704
A
conclude
B
suspect
C
reject
D
quarrel
He pretended to be English, but his foreign accent ________.
#73674
A
threw him away
B
put him away
C
gave him away
D
carried him away
---- Have we ________ water? ---- Yes. We’d better get some.
#74915
A
run out
B
run out of
C
run into
D
run across
On the Eve of the Spring Festival, parents always _______ lucky money to their children.
#73478
A
give up
B
give in
C
give out
D
give off
— Excuse me, could I put off this plan?— You have no right to refuse it, and just _________.
#70615
A
work it out
B
carry it out
C
put it away
D
set it up