参考答案：D 应改为from each other。[解析] distinguish vt．(多与from搭配)．如：It is hard to distinguish her from her sister．distinguish vi．(多与between搭配)。如：He is able to distinguish between right and wrong．
Reading
between the lines
, I
should say
the scientists are disappointed
for
the outcome of the research project,
though
they will not openly admit it.
A. between the lines B. should say C. for D. though
参考答案：C 应改为in或at。[解析] be disappointed at/in表示对事实或行为感到失望，be disappo...
One should not talk about unpleasant subjects
for
a social gathering.
Also
,we should avoid any subject that
might
hurt the feelings of the people you are
with
.
A. for B. Also C. might D. with
The helicopter excels
for
military missions,
carrying
troops, guns and strategic instruments
where
other
aircraft
cannot go.
A. for B. carrying C. where D. aircraft
参考答案：A 应改为in。[解析] excel in(=do better than others，be very good)优于...
The price of
any
particular product or service is linked to a broad,complicated system of
priceswhich
everything seems to depend more or less upon
everything else
.
A. any B. prices C. which D. everything else
There is
a
general understanding
in
the members of the Board of Directors that chief attention
be given
to the undertaking that is expected to
bring in
the highest profit.
A. a B. in C. be given D. bring in
参考答案：B 应改为among。[解析] among the members of在……的成员之中。understanding是具...
An important factor in
a
market-oriented economy is the mechanism
by
which
consumer
demands can be expressed and
responded
by producers.
A. a B. by C. consumer D. responded
参考答案：D 应改为responded to。[解析] respond to(=act in answer to)回答，对……作出...
