高二英语参考答案

1---5BCAAC   6---10BACAB    11---15BACBA   16---20CCAAC

21---25BCACD     26---30CBDCB

31---50DDCDD   ACAAB   ACCAC   CBCBC

51---70BDAB    BDAA   ACAD  DDDC  CDCB

71. is being launched

72. whatever mistakes they have made

73. four times as thick

74. those (the) materials organized 

75. Whoever leaves the classroom last

76. have they played

77. what it is 

78. where customers are cheated

79. (that) readers (should) observe

80. (that) they still remembered