秋季最适合使用（）方法制作冷菜。 A.凉拌 B.糟制 C.冻制 D.腌制

根据语篇情景，用恰当的短语或句子填空，使之意思完整。

     This is my room. There is a desk in it. My books and my notebooks are __1__. My family photo is on

  the desk, too. In the photo, you can see__2__ , my brother and me. My father likes basketball very

  much. We often play sports in the afternoon. I am happy and I love my family very much.

向明矾水溶液中滴加一种溶液，首先能使胶体凝聚而沉淀，继续滴加该溶液时，沉淀又逐渐消失。这种溶液是[ ]

A.BaCl₂溶液

B.盐酸

C.蒸馏水

D.NaCl溶液

下列不属于个性倾向性的是( )

A．需要

B．动机

C．性格

D．世界观

区别乙醛、苯、苯酚、四氯化碳最好选用的试剂是  [ ]

A．新制Cu(OH)₂

B．酸性KMnO₄

C．浓溴水

D．AgNO₃溶液

集装箱封印失效、丢失，须在发现当日按批(车)编制货运记录。