百分数的分子可以是小数.______.(判断对错)

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问题:

百分数的分子可以是小数.______.(判断对错)

考点:百分数的意义,百分数的读法和写法
题型:解答题

我国科学院院士为相对原子质量的测定做出了卓越贡献,于1983年当选为国际原子量委员会委员,主持测定了铟、铱、锑、铕、铈、铒、锗、锌、镝几种元素的相对原子质量新值,为国际原子量委员会采用为国际新标准。这位院士是[ ]

A.侯德榜

B.张青莲

C.钱学森

D.袁隆平

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下列房产中免征房产税的是( )。

A.个人拥有的营业用房

B.公园、名胜古迹经营用的房产

C.企业大修停用一个季度的房屋

D.老年服务机构自用的房产

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Observe that for the programmer, as for the chef, the urgency of the patron(顾客)may govern the scheduled completion of the task, but it cannot govern the actual completion. An omelette(煎鸡蛋 ), promised in two minutes, may appear to be progressing nicely. But when it has not set in two minutes, the customer has two choices—waits or eats it raw. Software customers have had (16) choices.
Now I do not think software (17) have less inherent courage and firmness than chefs, nor than other engineering managers. But false (18) to match the patron’s desired date is much more common in our discipline than elsewhere in engineering. It is very (19) to make a vigorous, plausible, and job risking defense of an estimate that is derived by no quantitative method, supported by little data, and certified chiefly by the hunches of the managers.
Clearly two solutions are needed. We need to develop and publicize productivity figures, bug-incidence figures, estimating roles, and so on. The whole profession can only profit from (20) such data. Until estimating is on a sounder basis, individual managers will need to stiffen their backbones and defend their estimates with the assurance that their poor hunches are better than wish derived estimates.

A.no

B.the same

C.other

D.lots of

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各单位要根据什么应急处置工作要求和应急通信保障的实际情况和需求,做好预案内容的更新补充和完善工作?

题型:解答题

干宝《搜神记》是一部主要记载什么内容的小说集?()。

A、志怪

B、志人

C、传奇

D、语录

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