下列物质中碱性最强的为() ["小苏打","纯碱","烧碱","磷酸三钠"]
幼龄茶园不宜套种的作物是()。 ["玉米","花生","豌豆","黄豆"]
支持路易体痴呆诊断条件是() ["反复跌倒","对神经安定剂敏感","其他形式的幻觉","昏厥","短暂意识丧失"]
对任何纤维都不具有亲合力的为() ["涂料","直接染料","活性染料","酸性染料"]
禁止两人往车上抬大块,一定要()再装车,一人搬大块时,先检查大块是否有裂隙,以防搬运断裂伤人 ["放一边","破碎后","多人抬"]
搅动压力