[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"exercise-B2-1061":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},1061,21,70,"B2","reading","missing_paragraphs","reading_missing_paragraphs","Loss of bees","loss-of-bees",null,"Bees add an estimated eighteen billion dollars a year to the value of American crops. They pollinate flowers that become fruits, nuts and vegetables. (1) .......... Scientists have proposed different theories to explain what is known as colony collapse disorder. New research suggests that a commonly used group of…",[],"login","pro","2026-10-02T14:14:49",1060,1062,{"id":20,"number":23,"title":24,"slug":25},20,"Perfect world","perfect-world",{"id":21,"number":27,"title":28,"slug":29},22,"Tipping Point","tipping-point",{"id":31,"number":32,"title":33,"slug":34},1041,1,"Healing Body, Mind and Spirit","healing-body-mind-and-spirit",false]