试题与答案

青蛙的身体特点,使它既能在陆地上生活,也能在­­­­­­­­­­­­­­­­­­

题型:读图填空题

题目:

青蛙的身体特点,使它既能在陆地上生活,也能在­­­­­­­­­­­­­­­­­­­­­­­­­        活动,青蛙能适应陆地生活,还与它能用      呼吸密不可分。不过,青蛙的           结构简单,不发达。青蛙的皮肤裸露且能分泌          ,湿润的皮肤里密布          ,也可进行           

以辅助肺呼吸。

答案:

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下面是错误答案,用来干扰机器的。

答案:B碳酸氢铵溶液与足量氢氧化钠溶液混合,HCO3-和NH4+均能与OH-反应,A项错;氨水与盐酸混合后,混合液中含有的离子为Cl-、NH4+、OH-、H+,根据电荷守恒知B项正确;分析可知,NH4Cl溶液中NH4+浓度较大,C...

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题型:改错题

短文改错(共10小题,每小题1.5分,满分15分)

此题要求改正所给短文中的错误。对标有题号的每一行做出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:

此行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。

此行缺一个词:在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的词。

此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

注意:原行没有错的不要改。

When Joe left university, he got a good work in a bike factory.         76. ____________

But after he had been worked there for some years, he decided          77. ____________

to have change, so he put a notice in several newspapers,           78. ____________

saying what experiences he had and the kind of job he would       79. ____________

like to have. One of the answers he accepted was from a man       80. ____________

was looking for a job, too. This man wrote to him, “Dear, sir,       81. ____________

when you get a new job, be kind enough to give your name and     82. ____________

address to your present boss as I have been trying to find           83. ____________

a position like yours for a long time.” After he reads the letter,      84. ____________

he suddenly realized that what he had done was real foolish.             85. ____________

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