________ is very important in doing any scientific work.
#5858
A
Album
B
Category
C
Accuracy
D
Assume
推荐题目
I heard a soft _______ at the door. When I looked up, I found it was Mary.
#6815
A
noise
B
sound
C
voice
D
cry
Scientists have to work hard to keep _____ with modern discoveries and developments.
#7444
A
company
B
track
C
touch
D
pace
Suddenly we felt the _________atmosphere grow tense as neither of the sides would give in.
#7498
A
atmosphere
B
state
C
situation
D
phenomenon