Ⅰ.根据首字母或括号内提示写出单词的正确形式
1. As we know, parents' words and behavior often i________ their children to some degree.
2. Generally speaking, oil can't be ________(混合)oil.
3. It is a c________ problem so that it is not easy to deal with it.
4. He is a good l________ in the university as he really has a good knowledge of his subject.
5. The words ________(录音)on the MP3 player can be regarded as an evidence of his crime.
答案：
1．influence 2.mixed 3.complex 4.lecturer 5. recorded
