认为开花是结果的原因犯了()错误 ["A.因果倒置","B.主观唯心","C.以先后为因果","D.形而上学"]
酿造果酒的水果原料,腐烂程度的测定,下列操作不恰当的是() ["以不同部位采取样品0.5一2千克","用工业天平称量","挑出腐烂果,干果,软果","计算用腐果占样品重的质量分数表示"]
我国曾经在()年实行夏令时。 ["A、1985.0","B、1987.0","C、1989.0","D、1991.0"]
配制质量分数为4%的硼酸溶液2000g,下面配制正确的是() ["称取80g硼酸、1920g水,混匀","称取80g硼酸溶解定容至2000ml","称取40g硼酸、960g水,混匀","称取40g硼酸溶解定容至1000ml"]
求同求异是() ["A.一表法","B.三表法","C.二表法","D.四表法"]
用血涂片主要可诊断哪些寄生虫?各能查见什么阶段?