[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-C2-3849":3},{"preview":4,"open":14,"missing":35},{"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":17,"access":18,"updated":19,"previous_id":20,"next_id":21,"previous":22,"next":26,"first":30},3849,38,75,"C2","use_of_english","multiple_choice","uoe_multiple_choice","Grey Glacier","grey-glacier",null,"Park rangers in Patagonia were recently taken by (0) SURPRISE. A really large iceberg (1) .......... off the Grey glacier in southern Chile. More worryingly, the cause of the (2) .......... was unclear. Chile's Conaf forestry service shared photos on social media of the enormous block of blue-white ice, which…",[],"login","pro","2026-10-02T14:14:49",3848,3850,{"id":20,"number":23,"title":24,"slug":25},37,"Moroccan Markets","moroccan-markets",{"id":21,"number":27,"title":28,"slug":29},39,"Rising Sea Levels","rising-sea-levels",{"id":31,"number":32,"title":33,"slug":34},3812,1,"An Ancient Martian Delta","an-ancient-martian-delta",false]