对长期卧床患者应注意局部皮肤受压情况,评估要点包括()
A.皮肤颜色
B.皮肤的温度
C.皮肤的完整性与病灶情况
D.皮肤感觉
E.皮肤的清洁度
参考答案:A, B, C, D, E
The voyages of travelers before the 17th century show that they were not ____ the sea even
though they didn't have modern navigational aide. [ ]
A. at the expense of
B. at the risk of
C. in the way of
D. at the mercy of
如图甲所示,I、Ⅱ两个并排放置的共轴线圈,I中通有如图乙所示的交变电流,则下列判断错误的是
A.在t1到t2时间内,I、Ⅱ相吸
B.在t2到t3时间内,I、Ⅱ相斥
C.t1时刻两线圈间作用力为零
D.t2时刻两线圈间吸引力最大