电解水的实验说明( ) A.水是由两个氢原子和一个氧原子组成的 B.水由氢气和氧

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问题:

电解水的实验说明(  )

A.水是由两个氢原子和一个氧原子组成的

B.水由氢气和氧气组成

C.水由氢、氧两种元素组成

D.水由水分子组成

考点:电解水实验
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下列报刊成为宣马克思主义舆论阵地的是:

                 

A、              B、           C、              D、

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请将图中透镜的光路补充完整.

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没有被剥夺政治权利的犯罪分子正在服刑期间,下列有关其选举权的表述哪个是正确的:( )

A.可以行使选举权

B.不能行使选举权

C.没有选举权

D.男性可以行使选举权

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在防治工作开展前,新生儿疟疾感染调查的目的在于了解当地的疟疾流行程度,了解疟疾传播起止时间和新感染的高峰季节,连续的新感染调查也是评价防治效果和传播是否阻断的重要指标之一。在有传播休止期地区,调查对象为()

A、上1年传播终止后出生且经过当年传播季节的婴儿

B、上1年出生的所有婴儿

C、上1年年初到调查时为止出生的所有婴儿

D、以上都不准确

题型:选择题

Personality is to a large extent inherent. A-type parents usually (1) A-type offspring. But the environment must also have a profound effect (2) if competition is important to the parents, it is (3) to become a major factor in the lives of their children.

One place where children (4) A characteristics is school, which is, (5) its very nature, a highly competitive institution. Too many schools (6) the "win at all costs" moral standard and measure their success by sporting achievements. The current (7) for making children compete against their classmates or against the (8) produces a two-layer system, in which competitive A types seem in some way better than their B type fellows. Being too (9) to win can have dangerous consequences: remember that Pheidippides, the first marathon runner, (10) dead seconds after saying. "Rejoice, we conquer!"

(11) the worst form of competition in schools is the disproportionate emphasis on examinations. There is, for example, a (12) school that allows pupils to concentrate on those things they do well. The (13) of competition by examination are somewhat questionable, but competition in the certain (14) of failure is positively harmful.

(15) , it is neither practical nor desirable that all A youngsters change into B’s. The world needs types, and schools have an important duty to try to (16) a child’s personality to his possible future employment. It is top management.

If the preoccupation of schools with academic work was (17) , more time might be spent teaching children surer values. Perhaps selection (18) the caring professions, especially medicine, could be made less by good grades in chemistry and more by such (19) as sensitivity and sympathy. It is surely a mistake to choose our doctors exclusively from A type stock. B’s are important and should be (20) .

3()

A.possible

B.crucial

C.likely

D.essential

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