单词拼写(共10小题，每小题0.5分, 满分5分)
71. New digital mobile phones produce less radiation, but that does not n_________ mean that they should be used without caution.
72. The medicine is considered to be the most useful medicine in c____________ society.
73. Some people are a_________ to drugs so much that they sometimes rob banks of money to buy drugs.
74. Many people don’t believe him and they are even s_________ of what he has really achieved in science.
75. At Christmas, she and her husband went travelling s________---She went to France,while her husband went to Tibet.
76. In old days, society was p___________ against women.
77. During World War II, when London was bombed, many stations f_______ as bomb shelters. 
78. The meeting ____________(加快了) the pace of educational reforms.  
79. The river water is used by the local people after being          (净化)． 
80. Five years after the International standards for digital TV were established ,_______（消费者）could have access to more than 200 channels in the USA.