短文改错。 When I was in high school, most o

题型:改错题

问题:

短文改错。

     When I was in high school, most of my friend had bicycles. I hoped I could also have it. One day I

saw a second-hand bicycle, that was only one hundred Yuan. I asked my father the money. But he said he

could only give me half of the money. He should find the other half myself. So I went to sell newspapers

after the school. My father was pleasing when I showed him the money a month after. He gives me the

other fifty. You can imagine what happy I was when I rode to school on my own bicycle.

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考点:可数名词及其单复数零冠词人称代词不定代词关系代词
题型:改错题

送检粪便标本下列哪些是正确的()。

A.寄生虫检查应连续3d取标本送检

B.检查阿米巴滋养体标本应保温送检

C.无粪便时可灌肠取标本

D.血吸虫孵化毛蚴标本应不少于10g粪便

E.隐血试验素食3d后取标本

题型:改错题

如图所示,条形磁铁用细线悬挂在O点。O点正下方固定一个水平放置的铝线圈。让磁铁在竖直面内摆动,下列说法中正确的是   (  )

A.在磁铁摆动一个周期内,线圈内感应电流的方向改变2次

B.磁铁始终受到感应电流磁场的斥力作用

C.磁铁所受到的感应电流对它的作用力有时是阻力有时是动力

D.磁铁所受到的感应电流对它的作用力始终是阻力

题型:改错题

引锭杆是()和引锭杆本体两部分组成的。

题型:改错题

下列关于基础研究和应用研究的论述,正确的是( )。

A.在当今应用高技术的时代,各国应逐步减少对基础研究的投入

B.在促进社会进步的作用上,应用研究要大于基础研究

C.应用研究没有商业目的,以创新探索知识为目标

D.我国将增加基础研究的经费投入,并鼓励科学家自主选择研究课题

题型:改错题

企业营销的( )源于企业内外部环境的发展变化,因循守旧的企业战略是无法适应时代潮流的。

A.全局性

B.长远性

C.指导性

D.创新性

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