【单选题】患者,女,28岁。患风湿性心脏病。二尖瓣狭窄并关闭不全。心悸、气短、下肢浮肿。每天口服地高辛0.25 mg,间断服氢氯噻嗪已2个月。心电图示室性期前收缩、二联律。下列各项中,首选的治疗措施是 ( )
【判断题】土地整理、土地开发、土地复垦、城乡增减挂钩 、土地综合治理等一系列提高土地利用效率的活动都可以叫土地整治......( );
【单选题】I saw Sam and David in the playground yesterday afternoon. They ______ games
A.
th their classmates then.
【单选题】I saw Sam and David in the playground yesterday afternoon. They ( ) games with their classmates then.