题目

What is your favorite color? Do you like yellow, orange, and red?【1】Do you prefer grays and blues? Then you are probably quiet, shy, and you would rather follow than lead. You tend to be a pessimist(悲观者). At least, this is what psychologists(心理专家)tell us, and they should know, because they have been seriously studying the meaning of colors preference, as well as the effect that colors have on human beings.【2】If you happen to love brown, you did so, as soon as you opened your eyes, or at least as soon as you could see clearly.【3】A yellow room makes most people feel mor白僵菌高孢粉是国家林业局推广的高效生物杀虫剂之一，应用于多种林木和农作物害虫的防治。白僵茵分生孢子在寄主表皮、气孔或消化道上，遇适宜条件开始萌发，生出芽管。同时产生脂肪酶、蛋白酶、几丁质酶等溶解昆虫的表皮，通过芽管入侵虫体，在虫体内生长繁殖，消耗寄主体内养分，产生各种毒素，形成大量菌丝和孢子，布满虫体全身。请回答下面的问题：(1)从自然菌样中筛选较理想生产用菌种的一般步骤是：采集菌样→富集培养→   ___________→性能测定。为分离鉴定白僵茵产生的各种酶，最为快捷灵敏的方法是___________。(2)分离白僵菌菌种的培养基属于__________培养基。在配制白僵菌培养基时常加入蔗   糖、硫酸铵、硝酸钾等成分，硫酸铵、硝酸钾属于________营养物质。(3)白僵菌纯培养常用的接种方法是__________和___________。(4)分离与培养过程中，培养基和接种工具都要进行    处理，利用高温可以使微生物的______等物质变性。