73. A. hints B access C. evidence D. attention

74. A. keeping B making C. picking D.] giving

75. A. unsuitable B unfamiliar C. unusual D. unknown

76. A. however B therefore C. nevertheless D. instead

77. A. released B maintained C. avoided D. undergone

78. A. end B growth C. distance D. speed

79. A. Producers B Commercials C. Products D. Customers

80. A. so that B as a result C. such as D. such that

81. A. unless B after C. until D. once

82. A. These B Gone C. Available D. Unnecessary

83. A. with ease B with care C. with worry D. with decision

Section B (26分) Directions: Read the following passages. Each passage is followed by several questions or unfinished statements. For each of them there are four choices marked A B C and D. Choose the one that fits best according to the information given in the passage you have just read.