下列装置中利用电磁感应现象制成的是( ) A.电动机 B.发电机 C.电磁铁 D

题型:选择题

问题:

下列装置中利用电磁感应现象制成的是(  )

A.电动机

B.发电机

C.电磁铁

D.电磁继电器

考点:电磁感应现象的综合应用
题型:选择题

A proverb says, “Time is money”. But in my opinion, time is even   小题1:  precious than money. Why?    小题2:  when money is spent, we can earn it back. However, when time is gone, it will    小题3:  return. It is known to all  小题4: the time we can use is limited. Therefore we should make full use of our time to study hard so as to serve our country in        小题5:  future. But it is a pity that there are a lot of people who do not realize the value   小题6:  time. They spend their precious time smoking, drinking    小题7: playing.

In a word, we should form the good habit of saving time. Do not put off   小题8: can be done today till tomorrow.

题型:选择题

计划前提条件按表现方法不同可分为()

A.外部的与内部的

B.可控的,不可控的,部分可控的

C.定性的与定量的

D.以上都不对

题型:选择题

口蹄疫病毒除感染偶蹄类动物外,还可以感染下列哪些种类( )

A.家畜
B.啮齿类动物
C.节肢动物
D.人和非偶蹄类动物
E.鸟类

题型:选择题

1岁小儿体重4.5kg,患婴儿腹泻伴重度脱水,有关静脉补液问题中下列哪项是不正确的

A.第1天补液量比一般小儿补液量少1/3

B.第1天补2/3张含钠液

C.补钾盐时间约1周左右

D.累积损失量于前5小时内补完

E.应早期给钙盐

题型:选择题

关于专业项目恢复改建规划中正确的是()。

A.专业项目的恢复建设不列入水利水电工程补偿投资

B.无条件迁建恢复的专业项目,不予补偿

C.专业项目的迁建恢复应按“原规模、原标准(等级)、恢复原功能”的原则

D.专业项目应将扩大规模增加的投资列入水利水电工程补偿投资

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