第二卷
第一部分：单词拼写 (共10小题; 每小题1分, 满分10分)
根据句意和所给词的首字母或汉语提示，填写单词的正确形式。
1. We can increase profits（利润）by r__________ costs.
2. When the dog attacked me, I d________ myself against it with a stick.
3. The teacher thinks that their a_________ to studying English are suitable for all of us.
4. Many brands of athletic clothing and sneakers use a__________ technology to find the best design.
