第17题: [单项选择]一期内痔治疗方法不包括( ) A. 保持大便通畅 B. 调节饮食 C. 加强体育锻炼 D. 便后坐浴等方法 E. 内痔切除术 参考答案:E
第18题: [单项选择]______ that Mr. Thomson got such rare fishes A. When and where was it B. When and where it was C. Was it when and where D. When and where Were it 参考答案:A 答案解析:本题考查强调句。由句意与强调句用法可得出正确答案。故选A。