43. A. accelerates
B. scales
C. slows
D. cuts
44. A. if
B. as
C. even
D. before
45. A. dispose
B. transfer
C. abandon
D. overcome
46. A. known for
B. named after
C. defined
D. called
47. A. convenient
B. comfortable
C. available
D. helpful
48. A. exclusively
B. absolutely
C. practically
D. similarly
49. A. comprehension
B. meaning
C. regression
D. summary
50. A. And
B. Also
C. But
D. Or