15. Which Russian port, on the Pacific coast at the end of the Trans-Siberian Railway, is kept open by icebreakers during the winter? a) Timbuktu b) Moscow c) Vladivostok d) Murmansk
45. Ingrid Christiansen, the outstanding long-distance runner, has broken world records and won all the world's leading marathons. What nationality is she? a) Norwegian b) Dutch c) Icelandic d) Danish