It’s not easy for the expert to ______ pig flu.in humans from regular human seasonal influenza.
#84349
A
distinguish
B
separate
C
identify
D
recognize
推荐题目
His winning the competition has ___ his confidence of himself.
#70473
A
set up
B
put up
C
made up
D
built up
The book ______ for adults is not suitable for teenagers to read.(西城区)
#75742
A
provided
B
intended
C
providing
D
intending
After he had said good-bye to Jack, Tom ______ a bus and left the town.
#69545
A
got down
B
got on
C
got into
D
got off