目前，多数国家和组织以( )投入占产业或行业销售收入的比重来_爱下问搜题

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问题单项选择题

目前，多数国家和组织以( )投入占产业或行业销售收入的比重来划分或定义技术产业群。

A．人力资源
B．R&D
C．注册资本
D．规模

答案

参考答案：B

解析：从技术进步的方式上看，研究与开发的投资强度比以设备更新投资为主要形式的技术改造投资强度更能体现一个国家和一个产业技术进步的实力与潜力。因此，目前，多数国家和组织以产业部门的研究与试验发展(R&D)投入占产业或行业销售收入的比重来划分或定义产业群。故选B。

完形填空

完形填空（共20小题；每小题2分，满分40分）
阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
David, my neighbor, has two young kids who are five and seven. One day he was 36 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 37 , his wife, Jan, called to him to ask a question. As David answered the question, Kelly pushed the lawn mower 38 through the flower bed at the edge of the lawn — 39 a two-foot wide path leveled to the ground!
When David turned back and saw what had happened, he began to lose 40 . David had put a lot of time and 41 into making those flower beds the 42 of the neighbourhood. As he began to 43 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 44 !”
Jan 45 me how important 46 is as a parent to remember our priorities (things that need attention before others). The window shattered(打碎) by a 47 , a lamp knocked over by a careless child, or a plate dropped in the kitchen are already 48 . The flowers are already dead. We must remember not to 49 to the destruction by breaking a child’s spirit and deadening his 50 .
A few weeks ago Mark Michaels, the owner of a store, and I were together 51 parenting. He told me while his family were out for dinner, his daughter knocked over her water glass. 52 the water was cleaned up without any blaming remarks from her parents, she looked up and said, “I 53 want to thank you for not being like other parents. Most of my friends’ parents 54 have shouted at them and given them a lecture about paying more attention. Thanks for not 55 that!”

单项选择题

《卷烟》国标规定卷烟感官质量记分采用百分制，其中余味最高为（）分。

A.21

B.20

C.18

D.30