| The fridge is considered a necessity.
It has been so since the 1960s when packaged food first appeared with the label:
"store in the refrigerator." In my fridgeless fifties childhood, I was fed well and healthily. The milkman came daily, the grocer, the butcher, the baker, and the ice-cream man delivered two or three times a week. The Sunday meat would last until Wednesday and surplus bread and milk became all kinds of cakes. Nothing was wasted, and we were never troubled by rotten food. Thirty years on food deliveries have ceased, fresh vegetables are almost unobtainable in the country. The invention of the fridge contributed comparatively little to the art of food preservation. A vast way of well-tried techniques already existed--natural cooling, drying, smoking, salting, sugaring, bottling... What refrigeration did A. the author was well-fed and healthy even without a fridge in his fifties B. the author was not accustomed to using fridges even in his fifties C. there was no fridge in the author’s home in the 1950s. D. the fridge was in its early stage of development in the 1950s [多选题]振荡波局部放电测试试验电压应满足()。
A.试验电压的波形连续6个周期内的电压峰值衰减不应大于50%; B.试验电压的频率应介于20Hz-300Hz; C.试验电压的波形为连续两个半波峰值呈指数规律衰减的近似正弦波; D.在整个试验过程中,试验电压的测量值应保持在规定电压值的±3%以内; [判断题]会计期末进行试算平衡时，试算平衡了，也不能说明账户记录绝对正确。( )
[判断题]利用气相色谱法分析变压器油中的溶解气体组分含量，是分析判断运行中变压器是否存在故障的有效手段。
A.正确 B.错误 [单项选择]IFCC建议将缩短测定周期控制在多长时间之内（）
A. 4h B. 3h C. 2h D. 1h E. 0.5h [单项选择]What did the woman probably do （）
A. kook for another seat. B. Repeat the question. C. Remain standing. D. Sit down. [单选题] 在金属容器内,水井内、特别潮湿的地沟内等特别危险的环境使用的手持照明灯,应采用( )V的安全电压。(1分)
A.12 B.24 C.36 [单项选择]客户群不仅包括员工和经理，还包括公司外部的相关利益者，如社区大学、普通大学、中学和小学的模式属于（）。
A. 学院模式 B. 客户模式 C. 矩阵模式 D. 企业办学模式 [单项选择]Violin prodigies (神童) , I learned, have come in distinct waves from distinct regions. Most of the great performers in the late 19th and early 20th centuries were born and brought up in Russia and Eastern Europe. I asked Isaac Stern, one of the world’’s greatest violinists the reason for this phenomenon. "It is very clear," he told me. "They were all Jews (犹太人) and Jews at the time were severely oppressed and ill treated in that part of the world. They were not allowed into the professional fields, but they were allowed to achieve excellence on a concert stage." As a result, every Jewish parent’’s dream was to have a child in the music school because it was a passport to the West.
Another element in the emergence of prodigies, I found, is a society that values excellence in a certain field to nurture (培育) talent. Nowadays, the most nurturing societies seem to be in the Far East. "In Japan, a most competitive society, with stronger discipline than ours," says Isaac Stem, "children a
A. A natural gift. B. Extensive knowledge of music. C. Very early training. D. A prejudice free society. [单项选择]环境法作为一个独立的法律部门、区别于其他法律部门的基本标志是（）。
A. 环境法的性质具有特殊性 B. 环境法调整对象的特殊性 C. 环境法具有很强的科学技术性 D. 环境法以可持续发展为基本价值取向 [简答题]阐述导线过负荷熔痕的形成机理？
[单项选择]预真空和脉动真空压力蒸汽灭菌器的装载量不应超过柜室容积的（）
A. 70% B. 80% C. 85% D. 90% E. 95% [单选题]数据通信系统采用（）算法保障数据安全性
A.公开 B.加密 C.叠加 D.IP协议 [单选题]MR多时相动态增强扫描的适应症不包括
A.肝癌 B.垂体微腺瘤 C.乳腺癌 D.肾癌 E.骨转移 [单项选择]机车防火安全措施：（）应按规定配齐灭火器材，并作为出库牵引条件严格掌握。
A. 司机室 B. 车辆 C. 机车 [判断题]示范作业既可以教学方法为主,动作为辅,也可以动作为主,教学方法为辅。( )
A.正确 B.错误 [单选题]受电弓及车顶状态动态检测系统实现了对受电弓滑板磨耗、中心线偏移、工作压力等关键特性参数的。
A.动态自动检测 B.动态手动检测 C.静态自动检测 D.静态手动检测 [单选题]新入职指战员正式上岗前必须通过（）考核。
A.作战训练安全 B.业务理论 C.体能 D.技能鉴定 我来回答: 提交
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