[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"kakomon-q-2024-ippan-18":3},{"slug":4,"exam_year":5,"exam_round":6,"section":7,"section_code":8,"number":9,"body":10,"choices":11,"correct_indices":28,"explanation":29,"has_explanation":18,"tags":30},"2024-ippan-18",2024,2,"一般","ippan",18,"猫の平均妊娠期間はどれか。",[12,16,19,22,25],{"index":13,"body":14,"is_correct":15},1,"45 日",false,{"index":6,"body":17,"is_correct":18},"67 日",true,{"index":20,"body":21,"is_correct":15},3,"88 日",{"index":23,"body":24,"is_correct":15},4,"115 日",{"index":26,"body":27,"is_correct":15},5,"210 日",[6],"正答は2（67日）。猫の妊娠期間は約63〜67日（およそ9週間）で、選択肢の中で妥当なのは67日だけ。1の45日は短すぎ、3の88日・4の115日（115日は犬より長い豚などの値）・5の210日はいずれも猫の妊娠期間として長すぎる。よって67日。**覚え方**: 猫の妊娠は約9週間（63〜67日）。犬もほぼ同じ約63日。",null]