能被植物光合作用利用的太阳辐射,称为光合有效辐射(PAR)。左图为“1961~200

题型:单项选择题 案例分析题

问题:

能被植物光合作用利用的太阳辐射,称为光合有效辐射(PAR)。左图为“1961~2007年我国年平均PAR强度的空间分布图”,右图为“大气受热过程示意图”。读图,回答下列各题。

左图反映出()

A.我国PAR的分布与气温分布一致

B.青藏高原小麦单产高与其PAR高有关

C.影响四川盆地与内蒙古高原PAR值差异的主要因素是纬度

D.影响塔里木盆地与华北平原PAR值差异的主要因素是地形

考点:高中地理地球是太阳系中一颗既普通又特殊的行星地球是太阳系中一颗既普通又特殊的行星题库
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人类卷舌与不卷舌的性状受基因控制,R决定能卷舌,r决定不能卷舌,现有一对夫妇,父亲能卷舌(RR),母亲不卷舌(rr),生下的后代基因组成是(  )

A.RR

B.Rr

C.rr

D.RRrr

题型:单项选择题 案例分析题

柄上标有蓝色色环的金刚砂车针是()

A.粗粒度金刚砂车针

B.细粒度金刚砂车针

C.标准金刚砂车针

D.极细粒度金刚砂车针

E.以上都有可能

题型:单项选择题 案例分析题

Most people would be (1) by the high quality of medicine (2) to most Americans. There is a lot of specialization, a great deal of (3) to the individual, a (4) amount of advanced technical equipment, and (5) effort not to make mistakes because of the financial risk which doctors and hospitals must (6) in the courts if they (7) things badly.

But the Americans are in a mess. The problem is the way in (8) health care is organized and (9) . (10) to pubic belief it is not just a free competition system. The private system has been joined a large public system, because private care was simply not (11) the less fortunate and the elderly.

But even with this huge public part of the system, (12) this year will eat up 84.5 billion dollars—more than 10 percent of the U. S. Budget—large number of Americans are left (13) . These include about half the 11 million unemployed and those who fail to meet the strict limits (14) income fixed by a government trying to make savings where it can.

The basic problem, however, is that there is no central control (15) the health system. There is no (16) to what doctors and hospitals charge for their services, other than what the public is able to pay. The number of doctors has shot up and prices have climbed. When faced with toothache, a sick child, or a heart attack, all the unfortunate persons concerned can do is (17) up. Two thirds of the population (18) covered by medical insurance. Doctors charge as much as they want (19) that the insurance company will pay the bill.

The rising cost of medicine in the U. S. A. is among the most worrying problems facing the country. In 1981 the country’s health bill climbed 15.9 percent--about twice as fast as prices (20) general.

20()

A.in

B.with

C.on

D.for

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位于安徽桐城的六尺巷,得名于康熙年间宰辅张英对邻居“让出三尺”的教事。“我家两堵墙,前后百米长。德义中间走,礼让站两旁……”2016央视猴年春晚同名歌曲被传唱之后,人们纷纷前往实地领悟、体会其互敬礼让、和谐包容、进退有度的文化内涵。这告诉我们()

①人们在社会实践中创造并且享用文化

②维护人民利益是中华文化的价值追求

③文艺创作就是要继承传统,推陈出新

④大众传媒在文化传播中发挥重要作用

A、①③

B、①④

C、②③

D、③④

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请示报告国务院 现行设市标准,是1986年经国务院批准试行的。……事实证明,应对一九八六年国务院批准试行的设市标准作以下调整: (1)设立县级市标准 ①每平方公里约四百人的县,达到下列指标,可设市撤县: …… 经讨论审议,提出20个县为首批设市县(名单附后)。 以上报告妥否,请批准各地试行。 民政部 1993年2月8日 附件:××县……

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