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【单选题】
不符合皂苷通性的是A.
大多为白色结晶
B.
味苦而辛辣
C.
对黏膜有刺激性
D.
振摇后能产生泡沫
E.
大多数有溶血作用
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举一反三
【简答题】说明:以行政办公室的名义按通知的格式和要求写一份于 2005 年 5 月 28 日 公布的通知,包括以下内容: 1. 时间: 6 月 2 日 星期四下午 2 : 30 2. 地点:学校大会厅 3. 会议内容:如何提高学生素质 4. 出席人员:各系负责人
【单选题】The light in the room wasn’t _______for me to read.
A.
enough bright
B.
brightly enough
C.
enough brightly
D.
bright enough
【单选题】In a study of the effect of color on productivity, 50 of 100 factory workers were moved from their drab workroom to a brightly colored workroom. Both these workers and the 50 who remained in the drab ...
A.
The 50 workers moved to the brightly colored room performed precisely the same manufacturing task as the workers who remained in the drab workroom.
B.
The drab workroom was designed to provide adequate space for at most 65 workers.
C.
The 50 workers who moved to the brightly colored workroom were matched as closely as possible in age and level of training to the 50 workers who remained in the drab workroom.
D.
Nearly all the workers in both groups had volunteered to move to the brightly colored workroom.
E.
Many of the workers who moved to the brightly colored workroom reported that they liked the drab workroom as well as or better than they liked the brightly colored workroom.
【单选题】某企业生产的产品，属于可比产品，上年实际平均单位成本为60元，上年实际产量为500件，本年实际产量为600件，本年实际平均单位成本为57元，则本年可比产品成本降低额为（ ）元。
A.
1800
B.
-4200
C.
6000
D.
1 500
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