We have different approaches()gathering information.
A、A.for
B、B.by
C、C.through
D、D.to
A、A.for
B、B.by
C、C.through
D、D.to
A、We need same kinds of paint for different areas. B、We need different kinds of paint for different areas. C、We need different kinds of paint for each areas. D、We need same kinds of paint for every areas.
A、haven’t any black paint B、have some black paint C、have some white paint D、hasn’t any black paint
A、they all have different limitations with respect to coverage B、they all have different limitations in the technology they use C、different systems apply to different ships D、all of above
A、they all have different limitations with respect to coverage B、they all have different limitations in the technology they use C、different systems apply to different ships D、all of above