根据行政复议法及相关规定，对有下列哪些情形的具体行政行为，行政复议机关可以决定撤销、

请按要求画出电路图并连接实物图。要求：两灯泡串联，电压表测L₂的电压。

考评员由本专业的工程技术人员和技师、高级技师担任，其中技师、高级技师不少于（）。

A.二分之一

B.三分之一

C.四分之一

D.五分之一

按要求完成下面各句。每空一词。

1. Martin used to give his mother a lot of trouble. (改为否定句)

    Martin _____ _____ to give his mother a lot of trouble.

2. To keep healthy, more and more people prefer walking to driving. (同义句转换)

    To keep healthy, more and more people would walk _____ drive.

3. She learns English by listening to tapes. (对划线部分提问)

    _____ she learn English ?

4. His parents didn't catch his words at once. (改为被动语态)

    His words _____ _____ by his parents at once.

5. Tom asked me n:ot to stand here. (把间接引语改为直接引语)

    "_____ stand here." Tom _____ to me.

以“理想”为陈述对象，填写下列空句。     

　　饥饿的年代，___                  _；温饱的年代，                        ；动乱的年代，                       ；安定的年代，                         。

在参加社交活动之前，没有什么饮食方面的禁忌。