试述金刚镗床的特点，并指出卧式金刚镗床的主参数是什么。

中小企业财务管理的思路有（）。

A.融资非常困难

B.财务控制薄弱

C.管理模式僵化

D.财务危机频繁

Life in the countryside is quite _____ that in modern cities.[ ]

A. the same    

B. different from  

C. full of

本单位在会计档案销毁时，( )应在会计档案销毁清册上签署意见。

A．主管会计

B．总会计师

C．单位负责人

D．上级主管机构负责人

In every cultivated language there are two great classes of words which, taken together, comprises the whole vocabulary. First, there are those words (1) which we become acquainted in daily conversation, which we (2) , that is to say, from the (3) of our own family and from our familiar associates, and (4) we should know and use (5) we could not read or write. They (6) the common things of life, and are the stock in trade of all who (7) the language. Such words may be called "popular", since they belong to the people (8) and are not the exclusive (9) of a limited class.

On the other hand, our language (10) a multitude of words which are comparatively (11) used in ordinary conversation. Their meanings are known to every educated person, but there is little (12) to use them at home or in the market-place. Our (13) acquaintance with them comes not from our mother’s (14) or from the talk of our school-mates, (15) from books that we read, lectures that we (16) , or the more (17) conversation of highly educated speakers who are discussing some particular (18) in a style appropriately elevated above the habitual (19) of everyday life. Such words are called "learned", and the (20) between them and the "popular" words is of great importance to a right understanding of linguistic process.

16（）

A. hear of

B. attend

C. hear from

D. listen

地球是一个绕着地轴高速度旋转的球体，其赤道半径稍小，两极半径稍大。（）