81.___can be seen from the comparison of these figures,

81.___can be seen from the comparison of these figures,
81.______ can be seen from the comparison of these figures,the principle involves the active participation of the patient in the modification of his condition.
A.As
B.What
C.That
D.It
82.Although I had been invited to the opening ceremony,I was unable to attend ____ such short notice.
A.to
B.in
C.with
D.on
83.California has more light than it knows _____ to do with,but everything else is expensive.
A.how
B.what
C.which
D.where
84.The solution works only for couples who are self-employed,don’t have small children and get along ____ to spend most of their time together.
A.so well
B.too well
C.well as
D.well enough
85.Marlin is a young man of independent thinking who is not about _____ compliments to his political leaders.
A.paying
B.having paid
C.to pay
D.to have paid
86.These proposals sought to place greater restrictions on the use and copying of digital information than those that ____ in traditional media.
A.exist
B.exists
C.existing
D.to exist
87.As I’ll be away for at least a year,I’d appreciate ____ from you now and then telling me how everyone is getting along.
A.hearing
B.to hear
C.to be hearing
D.having heard
88.Greatly agitated,I rushed to the apartment and tried the door,____ to find it locked.
A.just
B.only
C.hence
D.thus
89.Doctors see a connection between increased amounts of leisure time spent _____ and the increased number of cases of skin cancer.
A.to sunbathe
B.to have sunbathed
C.having sunbathed
D.sunbathing
90.Unless you sign a contract with the insurance company for you goods,you are not entitled _____ a repayment for the goods damaged in delivery.
A.to
B.with
C.for
D.on

81-85 ADBDC
86-90 AABDA