1. The bridge __________ by the farmers themselves in 1982.

　A. built　

　B. was built　

　C. build　

　D. was build

　1. Do you know who the computer was i _______by?

　2. The seat belt on a plane are a _______.

　3. It was a big m________ to leave my umbrella at home.

　4. A c______ is a hundred years.

　5. Boys, stop t_____ stones to the poor dog.

　　　　　　 How was the ball-point pen invented?

Notes: ball-point pen圆珠笔　 tanner制革工人　 refill再充填　 leak 漏

How was the ball-point pen invented?

____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Unit 9 　

听力答案：(略)

1-5 ACBDB　　 6-10 ABBDB　　 11-15 CBBAC

36-40 BADBD　　 41-45 CCDBD

46-50 CAABB　　 51-55 DCDA A

56-58 FFT

59. He grew vegetables in his garden and sold them. With the money he set up a chemical laboratory.

60. (Possible answer) Yes. Because he was awarded 1,368 different patents during his lifetime.

61. 1847　 62. 1931　　 63. 3 months　 64. built a lab　 65. invented the phonograph

66. ancient　 67. century　 68. throw　　 69. towards　 70. developed

71. was made　 72. was asked　 73. is; used　 74. have sent　 75. made; finish

76-80 DBGAE　　

81. helpful　 82. how　 83. questions　 84. being　 85. teaches　　 86. attitude　 87. happiness 88. good　 89. much　　 90. learn

One possible version:

How was the ball-point pen invented?

We know that the ball-point pen is one of the most useful inventions. It was invented by an American tanner named John Loud in 1888. And it really helps us write faster and makes our life easier. But sometimes the ball-point pens leak and they need refilling. But they are widely used in many fields. And the price is usually low. Ball-point pens are becoming smaller and lighter. They are really useful in our life.

　　　 26-30 DCDCA

31-35 BCACA　　　 36-40 BABDC

　1-5 BCACB

80. They stayed there until 11 o’clock. (同义句)They _________ leave there _______11 o’clock.

79. The water is used for watering the flowers 　(对划线部分提问)

________　 __________the water used for ?

78. I was asked to play the piano .( 对划线部分提问) ________　 _______　 you ________to do ?

77. They were invented by Julie Thompson( 对划线部分提问)

________　 ________　 they invented _________?

75. The workers were made to finish the work at once by the manager. (改为主动语态)

The manager ______ 　the workers ______ the work at once.

74. A large number of books have been sent to the Hope School in that village.(改为主动语态)

　 We _______ 　________ a large number of books to the Hope School in that village.

73. What do people use the pen to do? (改为被动语态)What ______ the pen ______ to do by people?