联邦行政规章的援引:行政规章的名称, 卷号(一个空格)c.f.r. (一个空格)条款号(出版年份)。例如conservation of power and water resources, 18 c.f.r. § 358 (2008). (能源和水资源保护,《联邦行政规章》第18编358条(2008年版)。)
young people are not ____ to stand and look at works of art; they want art they can participate in.
between 1974 and 1997, the number of overseas visitors expanded ____27%.
although anne is happy with her success she wonders ____ will happen to her private life.
消费者的心理过程是包括认知过程、情绪过程和意志过程。
确定造林密度时_______。
energy conservation and is the nature of the energy. (increasing / consumption)
2. the main substances forming acid rain are . (sox and nox / sox and cox)
【单选题】鲢鳙鱼两侧溃烂,有一圆形红斑是
fossil fuel is a widely used but energy source. (non-renewable / renewable)
heat energy and energy are the middle processes of energy transformation in an electric power plant. (chemical / mechanical)
1. in order to prevent the decrease of ph value of natural water, can be added to the water. (caco3 / cao)
is very toxic, which can cause cancer and damage to the immune system. (dichloromethane / dioxins)
【单选题】弧菌病比较共有的症状是
crude oil must be and then can be used. (refined / extracted)