Ⅰ.单项填空（共25小题，每小题1分；满分25分）
A)从A、B、C、D中找出其划线部分与所给单词的划线部分读音相同的选项。
例：have
A. gave B. save C. hat D. made
答案是C.
1. motor
A. opposite B. ocean C. oppress D. object
2. theory
A. diary B. pioneer C. therefore D. really
3. oxygen
A. geography B. degree C. recognise D. sugar
4. canal
A. important B. liberation C. majority D. national
