1. Since the early nineties, the trend in most bussiness has been toward on-demand, always-available products and services that suit the customer's _________ rather than the company's.
A. benefit
B. availability
C. suitability
D. convenience

2. The discovery of new oil-fields in various parts of the country filled the government with _________ hope.
A. eternal
B. infinite
C. ceaseless
D. everlasting

3. There has been a ________ lack of communication between the union and the management.
A. regretful
B. regrettable
C. regretting
D. regretted

4. The teacher ________ expects his students to pass the university entrance examination.
A. confidentially
B. proudly
C. assuredly
D. confidently

5. At first the company refused to purchase the equipment, but this dicision was ________ revised.
A. subsequently
B. successively
C. predominantly
D. preliminarily

1.
[答案]D
[译文]自90年代初期，多数企业就趋向于为顾客比为商家提供更便捷的产品和服务。
[答案解析]convenience（便利）；benefit（利益，好处，救济金等）；availability（可用性，有效性，实用性）；suitability（合适，相配）。

2.
[答案]B
[译文]在全国各地发现了新油田使政府充满了无限希望。
[答案解析]infinite（无限的，无穷的，巨大的）；eternal（永远的，永久的）；ceaseless（永不停止的）；everlasting（持续不断的，永久的）。

3.
[答案]B
[译文]令人遗憾的是工会与管理层之间一直缺乏沟通。
[答案解析]regrettable（可叹的，可惜的）；regrettful（令人后悔的，抱歉的）一般主语是人，表示对某事感到遗憾；regretting和regretted在句中均不能修饰名词。

4.
[答案]D
[译文]这位老师信心十足，他的学生都能通过大学入学考试。
[答案解析]confidently（充满信心地）；confidentially（秘密地，机密地）；proudly（骄傲地）；assuredly（确定地，无疑地）。

5.
[答案]A
[译文]起初这间公司拒绝共买这种设备，但后来修正了这一决定。
[答案解析]subsequently（随后地，后来地）；successively（连续地，继续地）；predominantly（主要地，支配地）；preliminarily（预备地，初步地）。