[填空题] It is often claimed that nuclear energy is something we cannot do without. We live in a consumer society where there is an enormous demand for commercial products of all kinds. (36)_________, an increase in industrial production is considered to be one solution to the problem of (37)_________ unemployment. Such an increase (38)_________ an abundant and cheap energy supply. Many people believe that nuclear energy provides an (39)_________and economical source of power and that it is (40) _________essential for an industrially developing society. There are a number of other advantages in the use of nuclear energy. Firstly, nuclear power, except for accidents, is clean. A further advantage is that a nuclear power station can be run and (41)_________by relatively few technical and administrative staff. The nuclear reactor (42)_________an enormous step in our scientific evolution and, whatever the anti-nuclear group says, it is wrong to expect a return to more (43)_________sources of