堆垛机外型监测电眼的作用（）
A.货物的歪斜
B.检测货物的到位
C.检测货物的运行
D.检测堆垛机的放货情况
参考答案：A
肘关节伸直，前臂旋前，手向尺侧偏斜（）
A.臂丛完全损伤
B.臂丛上部损伤
C.臂丛下部损伤
D.正中神经损伤
E.颈髓损伤
用所绘单词的适当形式填空。
1. She (cook) dinner every day.
2. Many (leaf) are flying (飞) in the sky.
3. Would you like (open) the door?
4. The boy (sleep), he is very lazy.
5. Is that Lisa (speak)?
