滑轮根据其制造方法可分为()滑轮、()滑轮、()滑轮和()滑轮等。
参考答案:铸铁;铸钢;焊接;尼龙
Jim writes __________ than ________ girl in his class.
A.more careful; any other
B.more carefully; any other
C.more careful ; any
D.more carefully; any
6个月女婴,4天来咳嗽、发热,体温38~39℃,生后牛奶喂养,2个月来每天加鱼肝油2滴。平时多汗。查体:R70次/分,P184次/分,三凹征(+),两肺散在中、小湿啰音,肝肋下3.5cm,有枕秃,按压枕骨有乒乓球感。此患儿应考虑为()
A.支气管肺炎
B.支气管肺炎、心力衰竭
C.支气管肺炎、佝偻病初期
D.支气管肺炎、心力衰竭、佝偻病激期
E.支气管肺炎、心力衰竭、佝偻病初期