皮皮学，免费搜题
登录
搜题
【单选题】
人工呼吸的原理是人为造成A.
肺内压与胸内压的压力差
B.
肺内压与大气压的压力差
C.
胸内压与大气压的压力差
D.
腹内压与大气压的压力差
E.
肺内压与腹内压的压力差
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
【多选题】关于天花粉,下列哪些是错误的
A.
善清肺胃之热,生津液,孕妇常用
B.
既清热生津,又消肿排脓
C.
治疗肺热咳嗽
D.
清热生津,凉血止血
E.
治疗黄疽,热淋,血淋
【单选题】There was such long queue for coffee at the interval that we _____ gave up.
A.
eventually
B.
unfortunately
C.
generously
D.
purposefully
【单选题】There was such a long queue for coffee at the interval that we ____ gave up.
A.
eventually
B.
unfortunately
C.
generously
D.
purposefully
【单选题】There was such a long line at the exhibition ______ we had to wait for about half an hour.
A.
as
B.
that
C.
so
D.
hence
相关题目：