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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Much unfriendly feeling towards computers has been based on the fear of widespread unemployment resulting from their introduction.Computers are often used as part of automated (自动化的) production system...
A.
After re-training, all employees in the firm get new jobs.
B.
A considerable proportion of people are employed in key posts.
C.
The firm keeps all of its original staff members.
D.
The decrease in staff members may be balanced by the increase of firm activities.
相关题目：
【单选题】交换度是针对（）而言。
A.
分子筛上被交换的阳离子
B.
溶液中的阳离子
C.
分子筛上被交换的阴离子
D.
溶液中的阴离子
【多选题】电路交换的主要特点是
A.
实时性强
B.
实时性差
C.
线路利用率高
D.
线路利用率低
【单选题】外界环境与血液之间气体交换的场所是（ ）
A.
鼻腔
B.
口腔
C.
气管、支气管
D.
肺泡
【单选题】决定肺部气体交换方向的主要因素是( )。
A.
气体的分压差
B.
气体与血红蛋白的亲和力
C.
气体分子质量的大小
D.
呼吸膜对气体的通透性
E.
以上都不是
【单选题】Much unfriendly feeling towards computers has been based on the fear of widespread unemployment resulting from their introduction.Computers are often used as part of automated (自动化的) production system...
A.
After re-training, all employees in the firm get new jobs.
B.
A considerable proportion of people are employed in key posts.
C.
The firm keeps all of its original staff members.
D.
The decrease in staff members may be balanced by the increase of firm activities.
【判断题】以旧换新是针对中间商的营业推广。
A.
正确
B.
错误
【多选题】生产决定着分配、交换和消费的
A.
水平和结构
B.
社会性质
C.
物质对象
D.
具体方式
【单选题】下列哪一项是身体中气体交换的场所?
A.
肺
B.
心脏
C.
胃
D.
胸腔
【多选题】交换提入票据退票的正当理由包括（）。
A.
印鉴不符
B.
存款不足
C.
付款人账号户名有误
D.
大小写金额不符
【单选题】以旧换新折让、促销折让、运费折让等属于( )
A.
现金折扣策略
B.
交易折扣策略
C.
价格折让策略
D.
温和定价策略
【单选题】微机系统与外部交换信息主要是通过（）。
A.
输入输出设备
B.
键盘
C.
光盘
D.
内存