Scientists have to work hard to keep _____ with modern discoveries and developments.
#7444
A
company
B
track
C
touch
D
pace
推荐题目
Mr. Barret doesn’t think that all bad language should be allowed. In his opinion, there are ______ that should be kept up.
#6902
A
degrees
B
levels
C
limits
D
standards
There being no witness on the spot, the police were delayed by the _____ of information about the crime.
#5829
A
analysis
B
disappearance
C
absence
D
consideration
If you don’t work hard, it will be of no significance for others to help you.
#6030
A
sympathy
B
significance
C
relation
D
sign
Sometimes, the _____ of humor in this country causes misunderstanding in other countries.
#6791
A
feeling
B
sense
C
quality
D
Character
