1. They took effective measures to accelerate the rate of economic growth.

　　A. hold B. increase C. expect D. offer

　　解释：accelerate：make move faster or happen earlier; increase the speed of

　　使加快; 促进; 加速:

　　accelerating the rate of growth 提高生长率

　　2. Shes an eternal optimist.

　　A. everlasting B. long C. temporary D. boring

　　解释：eternal：everlasting; without beginning or end; lasting or existing for ever

　　永久的; 永恒的; 不朽的:

　　the Eternal God 上帝

　　eternal life, ie life after death of the body 永生

　　eternal love 永恒的爱

　　3. We dont want staff to duplicate each others work.

　　A. borrow B. purchase C. rewrite D. copy

　　解释：duplicate：make an exact copy of 复制

　　4. Marys perpetual moaning drove me crazy.

　　A. monotonous B. endless C. serious D. bitter

　　解释：perpetual：continuing indefinitely; permanent 永久的; 永恒的:

　　the perpetual snow of the Arctic 北极终年不化的积雪

　　5. The bolts met all the engineering specifications.

　　A. expressions B. warnings C. instructions D. advertisements

　　解释：specifications：details and instructions describing the design, materials, etc of sth to be made or done 规格; 规格说明: 说明书; 详述

　　specifications for a garage 车房的规格说明;

　　1. They took effective measures to accelerate the rate of economic growth.

　　A. hold B. increase C. expect D. offer

　　解释：accelerate：make move faster or happen earlier; increase the speed of

　　使加快; 促进; 加速:

　　accelerating the rate of growth 提高生长率

　　2. Shes an eternal optimist.

　　A. everlasting B. long C. temporary D. boring

　　解释：eternal：everlasting; without beginning or end; lasting or existing for ever

　　永久的; 永恒的; 不朽的:

　　the Eternal God 上帝

　　eternal life, ie life after death of the body 永生

　　eternal love 永恒的爱

　　3. We dont want staff to duplicate each others work.

　　A. borrow B. purchase C. rewrite D. copy

　　解释：duplicate：make an exact copy of 复制

　　4. Marys perpetual moaning drove me crazy.

　　A. monotonous B. endless C. serious D. bitter

　　解释：perpetual：continuing indefinitely; permanent 永久的; 永恒的:

　　the perpetual snow of the Arctic 北极终年不化的积雪

　　5. The bolts met all the engineering specifications.

　　A. expressions B. warnings C. instructions D. advertisements

　　解释：specifications：details and instructions describing the design, materials, etc of sth to be made or done 规格; 规格说明: 说明书; 详述

　　specifications for a garage 车房的规格说明;