单项选择题A.On the first page of the telephone book.B.At the end of the telephone book.C.In the front of the white pages.D.Right after the white pages.
单项选择题A.Nuclear reactors can be of little use to people.B.Radiation is dangerous, so is nuclear energy.C.Nuclear energy poses a big threat to the safety of the population.D.Nuclear energy is human being’s best hope for the futur