| Have you ever seen a horse with toes
(脚趾) Millions of years ago, horses had many toes. They had four toes on each
front foot. They had three toes on each back foot. The horses were no bigger
than cats. These small horses lived in the forest (森林). Their many toes helped the horses run over the soft (柔软的) , wet ground. It was very hot in the forest. Bat the weather changed. It became cold (寒冷的,伤风). Many trees could not live in cold weather. The trees died and fell (落下;下降). Open fields took the place of forests. The sun made the ground dry and hard. Horses began to change, too. They began to get bigger. This took a long time. On the dry, hard land, horses needed only their middle toes for running. Their middle toes became hard. After a long [单选题]高处破拆时操作规程错误的是( )。(易)
A.不准将破拆物抛向地面 B.不准随意破拆玻璃幕墙 C.及时在地面划出警戒区域 D.破拆区域的越大越方便救援。 [判断题]判断题()客运索道重大修理是指通过设备部件拆解,更换、修复主要受力部件,以恢复设备功能或者提高设备的安全性能,但不改变客运索道主体结构、性能参数的活动。
A.正确 B.错误 [填空题]S360若采用抽取线路时钟方式提取时钟源，则时钟源只能（）抽取时钟，其他光接口无法抽取时钟。
[填空题]护理前臂骨折应使患肢呈（）位，并屈曲（）度。
[单选题]对无法交付物品通告()天以后仍无人领取时,应报上一级主管部门批准后予以变卖。
A.120 B.180 C.60 D.90 [单项选择]工作人员接到违反安规的命令，应（）。
A. 服从命令 B. 执行后向上级汇报 C. 拒绝执行并立即向上级汇报 D. 向上级汇报后执行 [填空题]装运鲜活货物的车辆，装车单位装车前认真检查，对状态不良不能保证货物安全和运输质量的车辆，承运人应予（ ）。
[判断题]从业人员发现直接危及人身安全的紧急情况时，有权停止作业或者在采取可能的应急措施后撤离作业场所
A.正确 B.错误 我来回答: 提交
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