—Yes. ____________.
A:Here you are
B:I don't have it
C:I'll take it
逆反心理和逆反行为( )
①“凡人之所以贵于禽兽者,以有礼也”
②“良言一句三冬暖,恶语伤人六月寒”’
③“俭,德之共也;奢,恶之大也”
④“不学礼,无以立”
谷氨酸棒状杆菌扩大培养时,培养基应该是( )