简述护士应保持患者半卧位姿势的护理措施。
参考答案：
如患者需半坐卧位时，为防止身体下滑移动，护士可在患者足底部放一木垫，并屈髋300，在胴窝下垫软枕。
读句子，判断图片的对(√)错(×)。
( ) 1. I took pictures last holiday.
( ) 2. He is going to climb mountains.
( ) 3. They often play football after school.
( ) 4. We go to Beijing by train.
( ) 5. My mother saw bears last weekend.
机车完好率90%，矿车完好率（），小绞车完好率90%
A.75%
B.95%
C.85%
D.90%
