题型:选择题 We ran down to the shore in time to see an enormous animal opposite us _____itself out of the water and then _____ down again, which was a whale..A.thrown; crashingB.throwing; crashed C.throwing; crashingD.thrown; crashed 查看答案
题型:多项选择题 案例分析题 某年9月中旬,某县发生5名小学生食物中毒,报告食用杏仁,潜伏期均在1小时以内,症状主诉口中苦涩,流涎,头晕,头痛,恶心,呕吐,脉频,四肢软弱无力,5名学生不同程度呼吸困难。含有氰甙的食物有哪些()。A.杏仁B.桃仁C.枇杷仁D.木薯E.苹果F.香蕉 查看答案