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【单选题】
听力原文: Jane Brown has been married for 12 years. She has three children and lives in the suburb outside Columbus Ohio. When her youngest child reached school age, Jane decided to go back to work. She felt that she should contribute to the household finances. Her salary could make the difference between a financial struggle and a secure financial situation for her family. Jane also felt bored and frustrated in her role as a homemaker and wanted to be more involved in life outside her home. Jane was worried about her children's adjustment to this new situation, but she arranged for them to go stay with a woman nearby after school each afternoon They seemed to be happy with the arrangement. The problem seemed to be between Jane and her husband Bill. When Jane was at home all day, she was able to clean the house, go grocery shopping, wash the clothes, take care of the children and cook two or three meals each day. She was very busy, of course, but she succeeded in getting everything done. Now the same things need to be done, but Jane has only evenings and early morning to do them. Both Jane and Bill are tired when they arrived home at 6 pm. Bill's accustomed to sitting down and reading the paper or watching TV until dinner's ready. This is exactly what Jane feels like doing, but someone has to fix dinner, and Bill expects it to be Jane. Jane is becoming very angry at Bill's attitude. She feels, that they should share the household jobs, but Bill feels that everything should be the same as it was before Jane went back to work. (30)
A.
She was bored with her idle life at home.
B.
She was offered a good job by her neighbor.
C.
She wanted to help with the family's finances.
D.
Her family would like to see her more involved in social life.
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举一反三
【单选题】用于分离气-固非均相混合物的离心分离设备是
A.
降尘室
B.
旋风分离器
C.
过滤式离心机
D.
板框压滤机
【判断题】According to the text, the two cans of sardine fish symbolized the author’s courageand persistence to stick to his dream of writing.
A.
正确
B.
错误
【多选题】下列说法中正确的是()。
A.
降尘室是分离气固混合物的设备
B.
叶滤机是分离液固混合物的设备
C.
离心机是分离气固混合物的设备
D.
增稠器是分离液固混合物的设备
【多选题】以下属于液-固分离设备的是
A.
沉降槽
B.
沉砂池
C.
气浮机
D.
离心机
【判断题】旋风分离器是实现气固分离的设备,侧管口进气,上管口出气,下出口是沉积固相。
A.
正确
B.
错误
【单选题】利用离心沉降原理来实现气-固分离的设备是()。
A.
降尘室
B.
旋风分离器
C.
袋滤器
D.
泡沫除尘器
【单选题】油分离器设置在压缩机与冷凝器之间,它是一种( )设备。
A.
气、气分离
B.
气、液分离
C.
液、液分离
D.
固、液分离
【简答题】在干燥设备学习过程中所用到的气固(固:粉末/微小颗粒状)分离设备是(),蒸发设备学习过程中所用到的气液(液:泡沫状)分离设备是()。
【判断题】机床手柄草图可以采用镜像命令?
A.
正确
B.
错误
【判断题】三足式离心机是分离气固两相混合物的离心分离设备。
A.
正确
B.
错误
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