单项选择题
Passage 1 Questions 11 and 12 are based on the passage you have just heard.
A.Kinds of atoms in it. B.Number of atoms in it. C.Quality of atoms in it. D.Quantity of atom in it.
A.The woman will ask Frank to come home earlier. B.Frank will come home earlier. C.She will have a quarrel with Frank. D.She is tired of waiting for him there.
A.Not knowing what he wants. B.The weather that he does not like. C.The plane. D.Flying to the North.