某市正在修建地铁，采用盾构施工方法。二次衬砌采用现浇钢筋混凝土结构。混凝土强度应大于

某省政府针对上年年棉花减产致使本省国有棉纺企业原材料紧缺、经营困难的现状，为组织好棉纱的均衡生产，加快纺织工业的结构调整和技术改造，在《关于搞好纺织工业生产和调整工作的通知》中要求本省各级政府劝告各棉纺企业从大局出发，控制棉纱生产总量，对于不听劝告，盲目超产的企业要采取控制棉花供应，限电和控制流动资金贷款等行政、经济手段，促其减产、停产。某棉纺企业对某市政府依据该通知中实施的劝告行为不服，申请救济。正确的理解是：

A．该劝告行为属于抽象行政行为，不能提起行政诉讼
B．该劝告行为属于具体行政行为，可以提起行政诉讼
C．该劝告行为属于不具有强制力的行政指导行为，不能提起行政诉讼
D．该劝告行为属于具体行政行为，但需申请复议后才可以提起诉讼

ICP发射光谱技术具有灵敏度高、精密度高、基体干扰少、线性范围宽和可以（）同时分析的优点。

Marks ＆ Spencer has a very good reputation for job security and looking after its staff, with things like good perks, (1) , that sort of thing. Do those things actually (2)
I think it is, it is very important. When people have been working (3) , and they may have been in from seven or eight o’clock in the morning, they can come off the sales floor and can go to (4) and obviously they can have tea, coffee, or (5) , and can then buy at very reduced rates (6) , if they want one, or a roll and cheese, in a pleasant environment, (7) , food of the highest quality, there’re areas where they can (8) , or play pool or something, yeah, that is very important because they need (9) . At busy times, they need to get away from it, they need to be able to relax. In terms of all the (10) we’ve got, that is very important, when people know that they will be having medicals, and (11) is another thing, obviously there’s (12) that they will buy which they will be able to buy (13) . For Christmas bonus, we give all our general staff (14) which is guaranteed, and the (15) of that, actually, at the busiest time of the year when they’re (16) and working hard, is fantastic and to see their faces as you (17) with 10% of their salary in it. I believe the environment that you work in, (18) that you work with, the way you are treated, (19) , and the fact that your views are listened to, and you feel you are consulted, that makes people (20) and makes them get up and come to work in the morning.

术中额外丢失量不正确的是

A．术中第三间隙可滞留大量液体

B．蒸发导致体液丢失

C．胸膜或腹膜浆膜面暴露可使大量液体蒸发丢失

D．室温低、相对湿度高的情况下，丢失量更大

E．手术显露面积大时，丢失量更大

引起沙门菌食物中毒的食物是植物性食品。( )