一、教学目标与要求
通过本单元教学，学生应能熟练地运用表示“推测”的常用句型；复习直接引语和间接引语；正确理解课文及掌握重点词语。
二、教学重点与难点
1．重点词汇
turn up, in actual fact, in a flash, with fear, break off
2．重点句型
1)On his arrival he went straight to the counter and spoke to the clerk in uniform behind it．
2)He might be attacked and have his case stolen from him．
3)The moment he entered the room, Bill fixed the chain across the door．
4)Outside the entrance stood two police officers with guns．
3．语法 复习直接引语变间接引语
1)肯定祈使句：to do He asked the clerk to change his dirty uniform．
2)否定祈使句：not to do He told him not to smoke in the room．
3)一般疑问句：if I asked him if he had seen the film．
4)特殊疑问句：(陈述语序)I asked her what material this material was．
4．日常交际用语(表示“推测”)
1)I'm sure… 2)She might have… 3) It looks as if… 4) She must have…5) I guess… 6) She can't… 7)It can't be…
三、难点讲解
1．In a flash he remembered everything and plan began to form in his mind．in a flash转眼间，一刹那间，即刻。例如：
1)I'll be be back in a flash．我马上回来。
2) Everything happened in a flash．事情突然发生了。
2．He appeared calm, but inside his heart was beating wildly with fear．with +名词(表示“情感”的词)表示原因。例如：
1)His face turned pale with fear
