[案例][背景材料]某公路桥梁工程结构物的流水施工的进度计划双代号网络图和节点时间参

People go to work in different ways. They work from Monday to Friday.Some people go to work on foot because they live near their workplaces. Some people go to work by bike because they live far from their workplaces,or they like riding bikes. They think it's good for their health. Today more people have own cars,so they can go to work in their cars. In the south of China,many people even go to work by boat because water is around their houses. Will people go to work by plane? I think so，if necessary.

小题1:Some people walk to go to work because _________.

A．they don’t have any cars.

B．they live near their workplaces.

C．they live far from their workplaces.

D．they like walking.小题2:Some people go to work by bike because _________.

A．they live far away from their workplaces.

B．they are busy.

C．they are tired.(累的)

D．they like their bikes.小题3:Today more people go to work _______.

A．by car

B．by bus

C．by subway

D．on foot小题4:In the south of China,many people go to work ______.

A．by plane

B．on foot

C．by boat

D．by ropeway小题5:They work on __________.

A．weekends

B．Friday

C．Sundays

D．weekdays

观察漫画《全权包办》，回答下列问题：

（说明：漫画中的文字，左为“大姐！瞧您这身装备，也是搞拉练演习吗？”右为“不是不是…孩子今年上大学，陪他去报到呢…”）。

（1）出现漫画中这种包办情况的原因是什么？

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（2）具有自立自强精神对个人成长有什么重要意义？

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（3）为了将来能在社会上立足，我们现在应该怎么做？

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老年人最常见的骨折部位是（）。

A.Colles骨折

B.肩部骨折

C.椎骨骨折

D.髋部骨折

E.骶骨骨折

对于股骨颈骨折，下列哪种说法是错误的（）

A.基底型骨折容易愈合

B.头下型骨折容易发生股骨头坏死

C.股骨颈骨折Carden分型越高，不愈合几率越小

D.儿童股骨颈骨折容易发生股骨头无菌坏死

E.股骨颈骨折愈合数年后还会发生股骨头无菌坏死

催化裂化装置两器系统设备内大都有衬里，作用是防止催化剂对器壁侵蚀磨损。（）