{"type":"multi-choice","id":"71775","dataJson":{"prompt":"回形针有磁性。","options":[{"key":"0.1729457254970459","label":"真正","value":"真正"},{"key":"0.8922249647927508","label":"假","value":"假"}],"limitChoices":{"max":1,"min":1},"validResponse":["真正"]}}

{"type":"multi-choice","id":"71776","dataJson":{"prompt":"书有磁性。","options":[{"key":"0.398750570685689","label":"真正","value":"真正"},{"key":"0.8832208077794059","label":"假","value":"假"}],"limitChoices":{"max":1,"min":1},"validResponse":["假"]}}

{"type":"multi-choice","id":"71777","dataJson":{"prompt":"纸有磁性。","options":[{"key":"0.27953422406457773","label":"真正","value":"真正"},{"key":"0.9346388138777678","label":"假","value":"假"}],"limitChoices":{"max":1,"min":1},"validResponse":["假"]}}

{"type":"image-bucket","id":"71778","dataJson":{"prompt":"以下哪些是磁铁？","buckets":[{"key":"0.788773074824808","name":"磁铁","old_key":"0"},{"key":"0.05920400517154434","name":"不是磁铁","old_key":"1"}],"options":[{"key":"0.06516043749565381","label":"a","value":"a","bucket":"0.788773074824808","fileboyId":"d045c795-253f-4598-8ce3-3af74625de49"},{"key":"0.8090672173030335","label":"b","value":"b","bucket":"0.788773074824808","fileboyId":"818222da-74b6-4f74-88d8-1bdeda1d2ddf"},{"key":"0.9687585036262545","label":"c","value":"c","bucket":"0.05920400517154434","fileboyId":"205440c5-2a5a-4487-aab1-25b16b12f29b"},{"key":"0.633539889381447","label":"d","value":"d","bucket":"0.05920400517154434","fileboyId":"e3c11634-4983-474a-8215-2df13c1b3acc"}]}}

{"type":"fill-in-blanks","id":"71779","dataJson":{"prompt":"填空","options":{"磁铁":[{"label":"磁铁","value":"磁铁"},{"label":"草饼","value":"草饼"}],"金属":[{"label":"木材","value":"木材"},{"label":"金属","value":"金属"}]},"template":"有时用 {{磁铁}} 喂奶牛来吸住它吞下的 {{金属}}。","validOptions":["金属","磁铁"],"validResponse":{"磁铁":"磁铁","金属":"金属"}}}

Answer incorrect

Look at the slide below to work out the answer.