下列选项中,成本低、操作方便,是机械化代替人工搬运的良好选择的是()。
A.前移式叉车
B.电动托盘叉车
C.平衡重式叉车
D.后移式叉车
参考答案:B
根据首字母提示补全单词。
1. Tommy is a f______ boy, we all like him.
2. The box is h______, I can't bring it out.
3. The teacher is friendly and p______ in our school.
4. Tom is short, but David is t______.
5. The girl has long straight h______.
男性,56岁,颈肩痛1个月,并向右手放射,右手拇指痛觉减弱,肱二头肌肌力弱。初步诊断是
A.颈椎病
B.肩袖综合征
C.肩周炎
D.臂丛神经炎
E.颈部劳损