根据《中华人民共和国公司法》的规定，公司经理对董事会负责，行使的职权不包括( )。

液位仪保护接地电阻值不得大于（）。

A、4Ω

B、5Ω

C、6Ω

D、10Ω

下派干部中：有三个人是到基层锻炼过的，四个是山东人，两个是济南人，五个是研究生学历。以上情况涉及了开现场会的所有人员，其中济南人不是研究生学历。那么，开现场会的全部人数是：

A．最少5人，最多12人

B．最少7人，最多12人

C．最少5人，最多14人

D．.最少7人，最多14人

C

Flags have existed for over 3000 years.The earliest flags were wooden or metal poles topped with a carving.About 2000 years ago pies of fabric were added to some poles for decoration.Over the next 500 years the free-flying part of the flag became more important.

Every country today has its own flag.Many groups and organizations also have a flag which stands for,or symbolizes,the aims of the group.

The flag depicts (描绘)a world map,centered on the north pole.The map is surrounded by an olive(橄榄)wreath(花环)symbolizing peace and co-operation.The flag is blue and white.

8.Flags have been in existence for _________.

A.500 years                     B.over 3000 years

C.about 2000 years              D.between 500 and 2000 years

9.A very old flag is likely to _________.

A.be made of fabric             B.have a map on it

C.have white shapes on it       D.be made of carved wood

10.An olive wreath is used to represent _________.

A.peace         B.purity        C.justice       D.equality

下列哪一项与啄木鸟啄食害虫无关（）。

A.喙坚硬，舌长，有的尖端有钩；

B.足四趾，两前两后，趾端有钩爪；

C.尾羽的羽轴粗硬而有弹性；

D.羽毛漂亮。

简述土地估价的本质。