Questions 7-10
Choose TRUE if the statement agrees with the information given in the text, choose FALSE if the statement contradicts the information, or choose NOT GIVEN if there is no information on this.
7. The counter-excavation method completely replaced the qanat method in the 6th century BCE.
8. Only experienced builders were employed to construct a tunnel using the counter-excavation method.
9. The information about a problem that occurred during the construction of the Saldae aqueduct system was found in an ancient book.
10. The mistake made by the builders of the Saldae aqueduct system was that the two parts of the tunnel failed to meet.