3．After carefully preparing our plan, we put it into ________.

　　A．effect B．force

　　C．practice D．power

　　解析：选C。句意：在经过精心地准备后，我们把计划付诸实践。put ... into practice"把......付诸实践"。

　　4．(2011·四川高考)Frank insisted that he was not asleep ______I had great difficulty in waking him up.

　　A．whether B．although

　　C．for D．so

　　解析：选B。考查状语从句。although conj."虽然，尽管"，引导让步状语从句。 句意：虽然我费了很大劲才叫醒他，但Frank坚持认为他没睡着。

　　5．(2011·安徽高考)________， I managed to get through the game and the pain was worth it in the end.

　　A．Hopefully B．Normally

　　C．Thankfully D．Conveniently

　　解析：选C。考查副词辨析。句意：谢天谢地，我终于打完比赛了，所有的辛苦都是值得的。hopefully"满怀希望地"；normally"正常地"；thankfully"感激地"；conveniently"方便地"。根据句意答案选C项。

　　6．In that school, English is compulsory for all students, but French and Russian are ________.

　　A．special B．systematic

　　C．optional D．original

　　解析：选C。考查形容词辨析。根据句意和句中的compulsory"强制的"可知应选择和它词义相对的optional"可选择的"。special"特殊的"；systematic"系统的"；original"起初的，独创的"，均不符合句意。

　　7．The company made a(n) ________ to my salary, which made me very happy.

　　A．decision B．plan

　　C．adjustment D．promise

解析：选C。考查名词辨析。句意：公司对我的薪金作了调整，这使我很高兴。decision"决定"；plan"计划"；adjustment"调整，调节"；promise"许诺，承诺"。故选C。