用来整形植物的机具有多种，下列不属于用来整形植物的园林机械是（）

A、动力轧草机

B、小型动力割草机

C、高树修剪机

D、挖坑机

下面是噪音与人体健康关系的统计说明，阅读表格，回答问题。

音量

噪音情况

与人体健康的关系

40-60分贝

一般说话的声音

不影响人体健康

60-80分贝

相当于一台打印机或一台割草机发出的声音

人的心血管将受到伤害

80-100分贝

相当于一辆从身边驶过的卡车或电锯发出的声响

会对人的听力造成很大伤害

100-120分贝

相当于圆锯或迪斯科舞厅、随身听、战斗机发出的声响

严重影响人们的听力，人们难以忍受，身心受到伤害

120分贝以上

相当于爆破及有些打击乐发出的声响

人们会失眠、心慌，精力无法集中，健康将会遭受极大伤害

1．根据表格内容，用一句话概括噪音与人体健康的关系。  _____________________________2．降低噪音污染已成当务之急，对此你有什么建议？请写出一条。 _____________________________

David, my neighbor, has two young kids who are five and seven. One day he was【C1】___\_his seven-year-old son Kelly how to push the lawn mower(割草机)around the yard. As he was telling him how to turn the mower【C2】___\_, his wife, Jan, called to him to ask a question. As David answered the question, Kelly pushed the lawn mower【C3】___\_through the flower bed at the edge of the lawn—【C4】___\_a two-foot wide path leveled to the ground! When David turned back and saw what had happened, he began to lose【C5】___\_. David had put a lot of time and【C6】___\_into making those flower beds the【C7】___\_of the neighbourhood. As he began to【C8】___\_his voice to his son, Jan walked quickly over to him, put her hand on his shoulder and said, "David, please remember we are raising children, not【C9】___\_!" Jan【C10】___\_me how important【C11】___\_is as a parent to remember our priorities(things that need attention before others). The window shattered(打碎)by a【C12】___\_, a lamp knocked over by a careless child, or a plate dropped in the kitchen are already【C13】___\_. The flowers are already dead. We must remember not to【C14】___\_to the destruction by breaking a childs spirit and deadening his【C15】___\_. A few weeks ago Mark Michaels, the owner of a store, and I were together【C16】___\_parenting. He told me while his family were out for dinner, his daughter knocked over her water glass.【C17】___\_the water was cleaned up without any blaming remarks from her parents, she looked up and said, "I【C18】___\_want to thank you for not being like other parents. Most of my friends parents【C19】___\_have shouted at them and given them a lecture about paying more attention. Thanks for not【C20】______that!"

【C1】

A．teaching

B．helping

C．looking at

D．asking