第22题: [单项选择]What is the main purpose of the health care reform in the U. S. A. To eliminate Americans’ medical cost. B. To offer a government option of health insurance. C. To reduce the profit gained by private insurers. D. To help Democrats win advantage over Republicans. 参考答案:B 答案解析:[听力原文] 7-8 Majority Democrats in the U.S. are pointing to healthcare accomplishments as the U