_____ three influenza type A virus subtypes(子类型) have been found in pigs.
#27191
A
By far
B
As far as
C
So far
D
Till far
推荐题目
He made one big mistake, and , ______, lost his job.
#26786
A
in a word
B
in fact
C
at last
D
as a result
______ being fun and good exercise ,swimming is a very useful skill.
#25945
A
Apart from
B
Except
C
Except for
D
Except that
_____ their inexperience, they’ve done a good job.
#28474
A
Given
B
Supposed
C
Considered
D
Concluded