41.We were all taken ____ by the news of the Chairman's resignation.
A.about
B.apart
C.aback
D.aside
42.My _______ to his proposal was not quite what he expected.
A.feeling
B.conduct
C.outlook
D.reaction
43.Rickets can result from a diet _____ in vitamin D.
A.short
B.deficient
C.inadequate
D.failing
44.Peter clearly had no ______ of doing any work, although it was only a week till the exam.
A.desire
B.ambition
C.willingness
D.intention
45.Sports are a good ______ for a young boy's energy.
A.overflow
B.exit
C.outlet
D.exhaust
46.Visitors are _______ to beware of pickpockets.
A.commanded
B.informed
C.notified
D.advised
47.It was nearly an hour before the sleeping pill took _____.
A.influence
B.effect
C.force
D.action
48.Tom read it through quick so as to get the ____ of it before setting down to a thorough study.
A.detail
B.run
C.gist
D.core
49.As it turned out to be a small house party, we ____ so formally.
A.need not have dressed up
B.must not have dressed up
C.did not need to dress up
D.must not dress up
50.We threw water over the woman to bring her_____.
A.up
B.back
C.round
D.over