[单选题]三相对称交流电路的瞬时功率为（ ）。
A.一个随时间变化的量
B.一个常量，其值恰好等于三相有功功率
C.0
D.不能确定

[多项选择]用户存储在OOS上的文件可以是（）。
A. 图片
B. 文本
C. 音频
D. 视频

[判断题]中证全债指数体系包括3只分年期指数和4只分类别指数。()
A.正确
B.错误

[判断题]轮对内侧距为1353±4mm。
A.正确
B.错误

[判断题] ( )在品牌生命周期中,因为各阶段品牌规格的市场特点不一样,品牌在各个阶段的营销目标、营销策略、销售管理重点都会因此不同。
A.正确
B.错误

[单选题]还网供电的用电单位，如直接由供电企业的供电线路受电，必须增设（ ）装置。( )
A.电能计量装置
B.电压监测装置
C.电能质量监测装置

[单选题]运载超长、超高或重大物件时，物件重心应与车厢承重中心基本一致，超长物件尾部应设（）。
A.标志
B.红灯
C.黄灯
D.防护措施
E.略
F.略

[单选题]为区别风险等级，三级作业风险应以（　　）标注。
A.A-蓝色
B.B-黄色
C.C-橙色
D.D-红色
E.掠
F.掠
G.掠

[多选题]关于低压回路停电的安全措施，以下做法正确的是( )
A.将检修设备的各方面电源断开取下熔断器
B.在断开的开关或刀闸操作把手上挂 “禁止合闸，有人工作！”的标示牌
C.工作前应验电
D.根据需要采取其他安全措施

[填空题] I always eat breakfast, and suggest that you do too. We all need food in the morning to supply ourselves (31) sources of glucose, (32) is not stored in the body and (33) needed to fuel the brain. Studies show that those who eat (34) are more productive at school and work (35) those who skip it. But there is disagreement over (36) should be eaten for the first meal of the day. I myself like leftovers. I’ve never cared (37) most of the common American breakfast foods and feel just terrible if I eat some of (38) . I do fine on a traditional Japanese breakfast (39) steamed rice, broiled fish, miso soup, pickled vegetables, seaweed, and green tea. I also like fruit, nuts, some fresh cheese, and olives. You will have to experiment to find out what you (40) and what works best for you. In any (41) , eating breakfast makes it easier to meet your daily nutritional (42) . Research shows that people who eat breakfast get more vitamins A, C, and E, f

[判断题]起重作业小于表3-1、大于表6-1规定的安全距离时，应制定防止误碰带电设备的安全措施，并经本单位批准。
A.正确
B.错误

[多选题]引起多辊热连轧机出现左右辊缝偏差及辊缝差报警的故障,其原因有( )等。
A.电网的谐波干扰
B.位移传感器损坏
C.伺服阀损坏
D.液压 AGC 系统中的伺服阀开口度过大
E.溢流阀损坏

[填空题] 巩固和发展最广泛的爱国统一战线,最根本的是要坚持( )。

[多项选择]调剂室效期药品管理制度包括（）
A. 按批号摆放，先产先用，近期先用
B. 定期专人检查，做好登记记录
C. 近失效期且用量较少的药品及时报告药剂科，以便调剂使用
D. 对距失效期6个月的药品尽快领用
E. 发给病人的药品应计算用完距失效有1个月时间

[单选题]冷作件一般体积()。局部刚性较差。
A.较小
B.较大
C.一般
D.特大

[填空题]

A lawyer friend of mine has devoted herself to the service of humaninty. Her special area is called “public interest law”.
Many other lawyers represent only clients who can pay higher fees. All lawyers have had ex-pensive and highly specialized training, and they work long difficult hours for the money they earn. But what happens to people who need legal help and cannot afford to pay these lawyer’s fees Public interests lawyers fill in this need. Partricia, like other public interests lawyers, earns a salary much lower than what some lawyers can earn. Because she is willing to take less money, her clients have the help they need, even if they can pay nothing at all.
Some clients need legal help because stores have cheated them with faulty merchandise. Others are in unsafe apartments, or are threatened with eviction(逐出,赶出 ) and have no place to go. Their cases are all called "civil" cases. Still others are accused of criminal act