75.Many people don’t believe him and they are even s_________ of what he has really achieved in science.

74.Some people are a_________ to drugs so much that they sometimes rob banks of money to buy drugs.

73.The medicine is considered to be the most useful medicine in c____________ society.

72.New digital mobile phones produce less radiation, but that does not n_________ mean that they should be used without caution.

根据首字母或中文提示，结合句意，写出下列句中所缺单词。

71.In my opinion, trousers made by hand are　 _________(优于)　to those made by machines.