Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
Publishing in the UK, the book has won a number of awards in recent regional book fairs.
A.publishing in the
B.has won
C.in
D.book fairs

In order to avoid boredom. the most important thing is to keep oneself______
A.occupation
B.occupied
C.occupant
D.occupational

Study harder______
A.if you will pass the exam
B.and you pass the exam
C.unless you pass the exam
D.or you won‘t pass the exam

Potential dehydration is______ that a land animal faces.
A.the often greatest hazard
B.the greatest often hazard
C.often the greatest hazard
D.often the hazard greatest

______the students here are serious about studying.
A.Most
B.Almost
C.Almost of
D.Most of

You will not succeed_______ working harder.
A.unless
B.if
C.without
D.although

You _____the washing up. l could have done it to you
A.hadn't to do
B.needn’t have done
C.couldn’t have done
D.mustn’t have done

(46)
A.use
B.used
C.to use
D.using

(48)
A.it
B.they
C.there
D.those

According to the passage, which of the following is the most important cause of desertification?
A.The change of climate
B.The spread of deserts
C.Human activities
D.Cattle destroying trees