单选题Questions 22-27 Do the following statements agree with the information given in Reading Passage 2 ? In boxes 22-27 on your answer sheet, write TRUE if the statement agrees with the information FALSE if the statement contradicts the information NOT GIVEN if there is no information on this
填空题
Scientific research on pinpointing earthquake has discovered undersea trenches.
填空题
The understanding of variation in basalt magnetism could help study the Earth's history.
填空题
There is similarity in distribution of magnetism in the period of both Brunhes chron and Matuyama chron.
填空题
The age of basalt nearby a mid-ocean ridge is the youngest.
填空题
The rock under the ocean is a new one, compared with the Earth.
填空题
Mid-ocean ridge is both the entrance and exit of new basalt.