Cloning an animal is a complex ________ that can go fatally wrong at any stage.
#6063
A
process
B
regulation
C
step
D
method
推荐题目
Of the seven days in a week. Saturday is said to be the most popular _______ for a wedding in some countries.
#7505
A
way
B
situation
C
event
D
choice
Though this kind of _______ has some _______, it is good enough for construction(建筑).
#5242
A
materials; shortcomings
B
memorial; shortcomings
C
materials; distinctions
D
memorial; distinctions
People who are infected with HIV are often looked down upon because social _____ against the disease runs so deep.
#5507
A
preference
B
conflict
C
prejudice
D
status
The plan was so shallow and impractical that no serious _________was ever made to realize it.
#5380
A
recognition
B
comment
C
attempt
D
credit