Ⅰ.单词拼写
根据下列句子所提供的汉语提示或所给单词的首字母，写出各单词正确的完全形式(每空限写一词)。
1．They are talking about the problems which________(出现)from the lack of communication.
2．The firm is Britain's main producer of________(电子的)equipment.
3．Everyone admires her strength of________(性格)and determination.
4．What do you charge for this________(类型)of camera?
