【单选题】孕妇 33 岁,妊娠 2 个月,家务劳动后感心悸、气短和胸闷。查体:心率每分钟 118 次,呼吸每分钟 22 次,心尖区有III级收缩期杂音,肺底部有湿锣音,下肢水肿 I 度。正确的处理应是
【单选题】听力原文:W: What's wrong with you? You look so frustrated. Is it about your new job? M: Well, I have nothing to complain about this new job. Flexible working hours, less stressful and well-paid the only t...
A.
He has to work overtime.
B.
He is under great pressure of the job.
C.
He doesn't get along with his workmates.
D.
He is not satisfied with his salary.
【多选题】What's wrong with the room?
A.
There is neither water nor soap
B.
The air-conditioner doesn't work.
【多选题】发动机的气缸盖上一般布置的气门数量有( )个。
【单选题】【背景资料】某5层公建筑工程,条石基础,砖混结构,现浇钢筋混凝土楼板,局部采用防火玻璃隔断。首层跨度4.5m粱。起拱高度设计无具体要求。检查发现:模板支设起拱不符合要求;楼板中配筋为φ10@200钢筋错放为φ8@200。竣工五年后发生一次地震,房屋多处发生开裂,多处结构破坏。
在本次地震中,作用在本建筑结构上的地震力按随时间的变异分类,属于()类。
【简答题】配气机构有多种形式 按气门的数量分为()和()。