The social security system is designed to ______ a basic standard of living for people in financial need.
A.
secure
B.
keep
C.
preserve
D.
maintain
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
皮皮学刷刷变学霸
举一反三
【判断题】Chinese characters are usually round outside and square inside, which is rooted in ancient Chinese belief that the earth was square and the heaven was spherical.