12个y加上y的7倍,和是76,求y。

题型:计算题

问题:

12个y加上y的7倍,和是76,求y。

考点:解方程
题型:计算题

巴西已建立起了完善的工业体系,下面不属于巴西重要产业部门的是[ ]

A.钢铁工业

B.造船工业

C.汽车工业

D.航天工业

题型:计算题
下列说法正确的是(  )
A.事件“如果a是实数,那么|a|<0”是必然事件
B.在一次抽奖活动中,“中奖的概率是
1
100
”表示抽奖100次就一定会中奖
C.随机抛一枚均匀硬币,落地后正面一定朝上
D.在一副52张扑克牌(没有大小王)中任意抽一张,抽到的牌是6的概率是
1
13
题型:计算题

金属在冷加工后,产生加工硬化,属于加工硬化特点的是()。

A.晶格排列规则

B.金属塑性提高

C.金属的强度和硬度提高

题型:计算题


Health officials in western Siberia are to begin in slaughter of thousands of birds today after identifying Russia’s first outbreak of a bird flu strain that can be fatal in humans. Doctors in neighboring Kazakhstan have also (1) that a 19-year-old poultry worker (2) admitted to hospital with (3) of bird flu, only to be diagnosed (4) double pneumonia.
The H5N1 strain of avian (5) has killed 60 people (6) 2fib in Vietnam, Thailand, Cambodia and Indonesia, but has rarely been found in birds or humans (7) Asia.
Health officials (8) that HSN1 is infecting migrating birds, which could spread the (9) into Europe. Earlier this year China registered the first outbreak of H5N1 (10) wild birds, some of which (11) to breeding grounds in Siberia. These birds could come (12) contact with others flying to Europe and North America.
Russia’s (13) began in the Novosibirsk (14) , about 1,750 miles (15) of Moscow in the Asian part of Russia, early last month, but the veterinary service (16) the virus only last week. Valery Mikheyev, the chief sanitary doctor of Novosibirsk, said that teams had been (17) the (18) birds and supervising the slaughter in13 (19) villages. He said, "The state of (20) of the inhabitants of these areas gives (21) cause for alarm. Up to 6,000 people are being (22) per day.
The virus seems to have (23) only private farms that let (24) mix with wild birds. Further outbreaks were registered in the Omsk and Altai regions, but the strain had (25) to be determined, Russia’s Emergency Situations Ministry said.

题型:计算题

创造市场将竞争机制引入公共物品和服务的提供,但是存在不公平的市场化政策工具是()。

A.民营化

B.权力下放

C.放松管制

D.产权交易

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