根据所给的首字母填写单词

This story took place more than 2,000 years ago. There was a young farmer. His family had been farmers for generations（世代）. Year a小题1: year and generation after generation,farmers used to plant in spring and h小题2:  in autumn, beginning to work at sunrise and finishing work at s 小题3: . In good harvest years,they could only have enough food to eat and enough clothing to w小题4:   .If there was a famine（饥荒） due to(由于) crop failure, they had to go hungry. This young farmer wanted to i小题5:  his life. Being lazy and cowardly over everything,he often dreamed of having unexpected result. A strange thing t小题6:  place at last. One day in late autumn, two groups of people were hunting nearby while he was ploughing in the field. As shoutings were rising one after a小题7:   ,scared hares（野兔） were running desperately. Suddenly,a hare clashed(撞) itself against the stump of a dead tree in his field and died. That day, he ate his fill. From that day on,he no longer went in for farming a小题8:  . From morning till n小题9:  ,he stayed by that stump, waiting for miracles(奇迹) to take place again.

Later people often use the set phrase "staying by a stump waiting for more hares to come and clash t 小题10:    against it to show trusting to chance and wind falls or dreaming to reap（收获） without planting. It is also used to show adhering（依附，坚持） to narrow experiences and not being able to be flexible（灵活的）.

(二)

某写字楼工程，地下1层，地上15层，框架一剪力墙结构。首层中厅高12m，施工单位的项目部编制的模板支架施工方案是满堂扣件式钢管脚手架，方案由项目部技术负责人审批后实施。施工中，某工人在中厅高空搭设脚手架时随手将扳手放在脚手架上，脚手架受振动后扳手从上面滑落，顺着楼板预留洞口(平面尺寸0.25m×0.50m)砸到在地下室施工的王姓工人头部。由于王姓工人认为在室内的楼板下作业没有危险，故没有戴安全帽，被砸成重伤。

问 题

扳手放在脚手架上是否正确？说明理由。