61. Greatly agitated, I rushed to the apartment and tried the door, __ to find it locked.
A. just
B. only
C. hence
D. thus
62. When he arrived, he found ___ the aged and the sick at home.
A. none but
B. none other than
C. nothing but
D. no other than
63. As 4 to 8, ____ 8 is to 16.
A. as
B. so
C. that
D. which
64. According to some educators, the goal of teaching is to help students learn what __ to know to live a well-adjusted and successful life.
A. do they need
B. they need
C. they are needed
D. as they may need
65. If ever again ____ happens an accident like this, we will have only ourselves to blame.
A. it
B. so
C. there
D. that
66. An ambulance must have priority as it usually has to deal with some kind of __
A. crisis
B. emergency
C. urgency
D. emergence
67. She was complaining that the doctor was __ too much for the treatment he was giving her.
A. expending
B. offering
C. costing
D. charging
68. The patient's health failed to such an extent that he was put into __ care.
A. tense
B. rigid
C. intensive
D. tight
69. Although architecture has artistic qualities, it must also satisfy a number of important practical __
A. obligations
B. regulations
C. observations
D. considerations
70. Too much __ to X-rays can cause skin burns, cancer or other damage to the body.
A. disclosure
B. exhibition
C. contact
D. exposure