President Kennedy has promised God and ______ that he will continue to renew the United States.
A. Congress
B. the American people
C. Jacqueline
D. people of the world
根据系统安全工程的观点,危险是指系统中存在导致发生( )的可能性超过了人们的承受程度。
A. 期望后果
B. 不期望后果
C. 严重后果
D. 轻微后果
安全验收评价的评价单元不可按( )内容划分。
A. 公用工程、辅助设施配套性
B. 物料、产品物理性能
C. 法律、法规等方面的符合性
D. 周边环境适应性和应急救援有效性
According to the NAS's report, one of the problems in end-of-life care is ________.
A. prolonged medical procedures
B. inadequate treatment of pain
C. systematic drug abuse
D. insufficient hospital care