对下列四幅图的描述正确的是 [ ] A.图4中造成cd段下降的原因在有丝分裂和减

题型:选择题

问题:

对下列四幅图的描述正确的是

[ ]

A.图4中造成cd段下降的原因在有丝分裂和减数分裂中是不同的

B.图2中的温度在a时酶分子结构改变、活性较低

C.图3中bc段和de段的变化都会引起C3化合物含量的下降

D.图1中a阶段X射线照射可诱发突变,b阶段用秋水仙素能抑制纺锤体的形成

考点:基因突变酶的本质与特性光合作用的过程有丝分裂减数分裂
题型:选择题

阅读下面材料,回答以下各题。


2005年11月3日,央视新闻联播报道,第一款使用中国人自主研发CPU的龙芯电脑在江苏开始批量生产,已经形成年产40万套电子产品的生产能力,标志着我国整个电子产业在世界产业链的中下游开始向上游迈出坚实的第一步。而承担这一重要任务的却是国内生产床上用品的龙头企业:江苏梦兰集团。
梦兰集团涉足IT产业是梦兰实现跨行业发展的一个突破口。不过,在一个已经完全被跨国公司垄断的领域,风险毕竟很大。最终吃下定心丸的是江苏扶持自主创新的新机制。目前在江苏高新项目除了能享受各种优惠政策之外,省财政还设专款扶持,这种机制对科技成果转化来说,不但是催化剂,更是稳定剂。
龙芯产业基地对未来有着明确的目标。他们第一步的选择是做消费性产品,可以自己做拥有自主知识产权的产品,也可以做一些代工产品,目的都在于既降低成本,也让消费者都能接受。到第二阶段的时候,他们就会亮出自己的旗帜,生产出属于自己核心竞争力的产品。在这个阶段,将目标瞄准了内地政府的采购定单或者学校的订单上面,可以满足政府机关以及学校的需求,更重要的是可以保密。到了第三阶段,当产品注入了更高的科技含量的时候,也被市场认可的时候,这时就外销了。这是公司发展的高级阶段,也就是赚取技术附加利润。

跨行业发展就是实施( )。

A.低成本战略

B.差异化战略

C.集中化战略

D.多元化战略

题型:选择题

男性,70岁。因急性心梗住院,心电监测频发室早,处理应为()

A.暂不处理

B.静脉滴注利多卡因

C.静注胺碘酮

D.静脉注射25%硫酸镁

E.口服胺碘酮

题型:选择题

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.

题型:选择题

利润表中,“主营业务税金及附加”项目所反映的内容包括()。

A.增值税

B.城市维护建设税

C.教育费附加

D.车船使用税

E.印花税

题型:选择题

监理实施细则是指导监理单位各项监理活动的技术、经济、组织和管理的综合性文件,信息系统工程监理实施细则是在 (24) 的基础上,由项目总监理工程师主持,专业监理工程师参加,根据监理委托合同规定范围和建设单位的具体要求,以 (25) 为对象而编制的。

A.被监理的承建单位
B.监理机构
C.被监理的信息系统工程项目
D.建设单位

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