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Science has (a) _____ the life-style of people all over the world. We can see the wonders of science around us as we live in an age of science and technology. Telephone, telex, fax, wireless, telegram, computer, electricity etc (b) _____ great wonders of modern science. Really science has contributed much to making our life easy and comfortable. We (c) _____ of our modern life without science. If we use science in a positive way, it will be a blessing for us. But science will be a curse for us if we (d) _____ this blessing. So, science should be used for (e) _____ peace and humanity in the world.