选择题：2已知一元钱的边际效用为3个单位，一支钢笔的边际效用为36个单位，则消费者愿意用( )来买这支钢笔。

At present the bedroom has to be ______ by at least six students. A. held B. div

It’s useless trying to ______ her that she doesn’t need to lose any weight. A. r

全球化管理的环境因素划分为一般环境与任务环境，下列不属于全球化的一般环境的是A. 经济体制和经济政策B. 竞争对手C. 社会基础设施D. 文化环境

She is due to __________ a speech on the social work tomorrow. 选择一项：A.conduct B.

She cannot buy daily necessities, ______ luxuries. A. no less than B. many more