下列关于内环境及其稳态的叙述,正确的是[ ] A.小肠绒毛上皮细胞生活的内环境是

题型:选择题

问题:

下列关于内环境及其稳态的叙述,正确的是[ ]

A.小肠绒毛上皮细胞生活的内环境是组织液和消化液

B.内环境的稳态是机体进行正常生命活动的必要条件

C.内环境的稳态依靠神经系统和内分泌系统的活动来维持

D.血红蛋白、神经递质、激素、葡萄糖和CO2都是内环境的成分

考点:内环境的稳态内环境
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某市的王先生从事个体生产产品的业务。预计月销售额在3000~5000元之间。当地税务局规定的增值税起征点为4000元(不含税)。那么节税点的含税销售额为( )元。

A.4521.52

B.4515.91

C.4265.75

D.4260.29

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Ali is a dealer in Persian rugs. As his business has been rather slow, he placed an advertisement in the Saturday edition of his local paper stating:‘Once in a lifetime opportunity to own a handmade Persian antique rug for only £1,500 – cash only. This is a serious offer – the rug will go to the first person who accepts it – offer valid for one day only – today Saturday.’When Bud saw the advert, he immediately posted a letter of acceptance of Ali’s offer in order to make sure he got the rug.Cil also saw the advert and after inspecting the rug offered Ali a cheque for £1,500, but he refused to accept the cheque and told her she could not have the rug.Later in the day, Das asked Ali if he would keep the offer open until he could get to his bank to arrange a loan. Ali agreed, but subsequently, when Ed offered to pay £2,000 in cash for the rug, Ali sold the rug to him.On Monday morning Bud’s letter arrived, and Das returned to complete his purchase of the rug.Required:In the context of the rules governing the creation of contracts, advise:

(a) as to the precise legal nature of Ali’s advertisement; (4 marks)

题型:选择题

小张是某项目的项目经理,他遇到了这样的情况:产品的性能没有达到预期的质量标准,但却被客户接受了,这表明进行了什么活动?()

A.偏差分析

B.返工

C.质量审计

D.核实范围

题型:选择题

用窗函数法设计FIR数字滤波器时,改变窗函数的类型可以改变过渡带的宽度。

题型:选择题

2013年3月5日,在毛 * * 等老一辈革命家为纪念雷锋同志题词发表50周年之际,各地相继开展学习雷锋精神的系列活动。当前,弘扬雷锋精神的时代价值在于()

①与传统道德相承接

②弘扬和培育中 * * 精神

③加强科学文化修养

④构建社会主义核心价值体系

A.①③

B.②④

C.②③

D.①④

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