[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-B2-1168":3},{"preview":4,"open":14,"missing":37},{"id":5,"number":6,"total":7,"level":8,"course":9,"activity":10,"discriminator":11,"title":12,"slug":13,"instructions":14,"excerpt":15,"prompts":16,"lock":19,"access":20,"updated":21,"previous_id":22,"next_id":23,"previous":24,"next":28,"first":32},1168,58,68,"B2","reading","multiple_matching","reading_multiple_matching","Extraordinary Transport Systems","extraordinary-transport-systems",null,"Constructed over a century ago in a crowded industrial city, this extraordinary transport system functions completely upside down. Instead of riding on top of the tracks, the carriages hang beneath a massive steel framework built directly over a winding river. This innovative design was originally chosen because…",[17,18],"Which transport system was constructed due to a complete lack of available surface area?","Which transport system forces operators to temporarily take their vehicles apart during transit?","login","pro","2026-10-02T14:14:49",1167,1169,{"id":22,"number":25,"title":26,"slug":27},57,"Unusual Annual Festivals","unusual-annual-festivals",{"id":23,"number":29,"title":30,"slug":31},59,"Unusual Dream Jobs","unusual-dream-jobs",{"id":33,"number":34,"title":35,"slug":36},1111,1,"Bridges of the Valley","bridges-of-the-valley",false]