从职能层次来看，电算化会计信息系统可分为( )。A．会计核算职能和会计管理职能B．

属于水蛭性状特征的是（）

A.扁平纺锤形或长圆柱形，有多数环节

B.背部黑褐色或黑棕色，两侧棕黄色

C.第14～16环节为生殖带，习称"白颈"

D.两端各具一吸盘

E.质脆，易折断，断面胶质样

A．( The rounded, medium size of the letters

B．( The small open a’s and o’s

C．( The wide spaces between the words

D．( The upright slant and the signature

Questions 1-4

What is the purpose of organizing foreign clubs on campus？（）

A．To help the students from the same countries overcome their homesickness and other problems.

B．To set up booths decorated with pictures and things of interest in the respective countries.

C．To recruit anyone who can see to help make costumes so that every club member can wear their national costume.

D．To teach the American students Scottish and Irish folk dances during the special event of the display.

通过选择合理的（）等技术措施，保证固井作业期间压稳油气水层。

A、固井方法；

B、注水泥施工设计；

C、高密度钻井液；

D、关井憋压候凝；

E、关井候凝。

测量导叶漏水量通常采用（）

A.容积法

B.效率法

C.流速仪法

D.压差法